Home / 354,294,905.40-531,442,358.10-297,859,807.80

Finding the Fourth Proportional to 354,294,905.40, 531,442,358.10 and 297,859,807.80

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Solution

The fourth proportional to 354,294,905.40, 531,442,358.10 and 297,859,807.80 is: 446,789,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,905.40 : 531,442,358.10 = 297,859,807.80 : x
  2. Step 2: Convert to fraction form
    354,294,905.40/531,442,358.10 = 297,859,807.80/x
  3. Step 3: Cross multiply
    354,294,905.40x = 531,442,358.10 × 297,859,807.80
  4. Step 4: Simplify right side
    354,294,905.40x = 158,295,318,640,444,800
  5. Step 5: Solve for x
    x = 158,295,318,640,444,800/354,294,905.40
  6. Step 6: Final answer
    x = 446,789,711.70

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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.