Home / 354,294,801.60-531,442,202.40-318,581,966.40

Finding the Fourth Proportional to 354,294,801.60, 531,442,202.40 and 318,581,966.40

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Solution

The fourth proportional to 354,294,801.60, 531,442,202.40 and 318,581,966.40 is: 477,872,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,801.60 : 531,442,202.40 = 318,581,966.40 : x
  2. Step 2: Convert to fraction form
    354,294,801.60/531,442,202.40 = 318,581,966.40/x
  3. Step 3: Cross multiply
    354,294,801.60x = 531,442,202.40 × 318,581,966.40
  4. Step 4: Simplify right side
    354,294,801.60x = 169,307,901,868,538,784
  5. Step 5: Solve for x
    x = 169,307,901,868,538,784/354,294,801.60
  6. Step 6: Final answer
    x = 477,872,949.60

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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.