Home / 1,090,074,220.40-1,635,111,330.60-1,012,590,122.60

Finding the Fourth Proportional to 1,090,074,220.40, 1,635,111,330.60 and 1,012,590,122.60

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Solution

The fourth proportional to 1,090,074,220.40, 1,635,111,330.60 and 1,012,590,122.60 is: 1,518,885,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,074,220.40 : 1,635,111,330.60 = 1,012,590,122.60 : x
  2. Step 2: Convert to fraction form
    1,090,074,220.40/1,635,111,330.60 = 1,012,590,122.60/x
  3. Step 3: Cross multiply
    1,090,074,220.40x = 1,635,111,330.60 × 1,012,590,122.60
  4. Step 4: Simplify right side
    1,090,074,220.40x = 1,655,697,582,716,903,168
  5. Step 5: Solve for x
    x = 1,655,697,582,716,903,168/1,090,074,220.40
  6. Step 6: Final answer
    x = 1,518,885,183.90

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Half scale
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Double scale
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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.