Home / 459,561,070.71-689,450,551.47-132,028,668

Finding the Fourth Proportional to 459,561,070.71, 689,450,551.47 and 132,028,668

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Solution

The fourth proportional to 459,561,070.71, 689,450,551.47 and 132,028,668 is: 198,074,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,561,070.71 : 689,450,551.47 = 132,028,668 : x
  2. Step 2: Convert to fraction form
    459,561,070.71/689,450,551.47 = 132,028,668/x
  3. Step 3: Cross multiply
    459,561,070.71x = 689,450,551.47 × 132,028,668
  4. Step 4: Simplify right side
    459,561,070.71x = 91,027,237,962,449,552
  5. Step 5: Solve for x
    x = 91,027,237,962,449,552/459,561,070.71
  6. Step 6: Final answer
    x = 198,074,301.25

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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.