Home / 1,090,074,119.40-1,635,111,179.10-1,012,590,021.60

Finding the Fourth Proportional to 1,090,074,119.40, 1,635,111,179.10 and 1,012,590,021.60

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Solution

The fourth proportional to 1,090,074,119.40, 1,635,111,179.10 and 1,012,590,021.60 is: 1,518,885,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,074,119.40 : 1,635,111,179.10 = 1,012,590,021.60 : x
  2. Step 2: Convert to fraction form
    1,090,074,119.40/1,635,111,179.10 = 1,012,590,021.60/x
  3. Step 3: Cross multiply
    1,090,074,119.40x = 1,635,111,179.10 × 1,012,590,021.60
  4. Step 4: Simplify right side
    1,090,074,119.40x = 1,655,697,264,163,270,400
  5. Step 5: Solve for x
    x = 1,655,697,264,163,270,400/1,090,074,119.40
  6. Step 6: Final answer
    x = 1,518,885,032.40

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Half scale
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Double scale
Find fourth proportional to 1,090,074,120.40, 1,635,111,180.60 and 1,012,590,022.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.