Home / 462,287,023.20-637,955,938.08-253,438,681.68

Finding the Fourth Proportional to 462,287,023.20, 637,955,938.08 and 253,438,681.68

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Solution

The fourth proportional to 462,287,023.20, 637,955,938.08 and 253,438,681.68 is: 349,745,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,287,023.20 : 637,955,938.08 = 253,438,681.68 : x
  2. Step 2: Convert to fraction form
    462,287,023.20/637,955,938.08 = 253,438,681.68/x
  3. Step 3: Cross multiply
    462,287,023.20x = 637,955,938.08 × 253,438,681.68
  4. Step 4: Simplify right side
    462,287,023.20x = 161,682,711,916,922,912
  5. Step 5: Solve for x
    x = 161,682,711,916,922,912/462,287,023.20
  6. Step 6: Final answer
    x = 349,745,296.33

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