Home / 2,642,353,998.31-3,643,063,524.19-2,164,283,182.20

Finding the Fourth Proportional to 2,642,353,998.31, 3,643,063,524.19 and 2,164,283,182.20

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Solution

The fourth proportional to 2,642,353,998.31, 3,643,063,524.19 and 2,164,283,182.20 is: 2,983,938,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,353,998.31 : 3,643,063,524.19 = 2,164,283,182.20 : x
  2. Step 2: Convert to fraction form
    2,642,353,998.31/3,643,063,524.19 = 2,164,283,182.20/x
  3. Step 3: Cross multiply
    2,642,353,998.31x = 3,643,063,524.19 × 2,164,283,182.20
  4. Step 4: Simplify right side
    2,642,353,998.31x = 7,884,621,117,090,679,808
  5. Step 5: Solve for x
    x = 7,884,621,117,090,679,808/2,642,353,998.31
  6. Step 6: Final answer
    x = 2,983,938,231.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.