Home / 643,884,000.20-966,144,864.90-367,747,256.60

Finding the Fourth Proportional to 643,884,000.20, 966,144,864.90 and 367,747,256.60

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Solution

The fourth proportional to 643,884,000.20, 966,144,864.90 and 367,747,256.60 is: 551,803,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,884,000.20 : 966,144,864.90 = 367,747,256.60 : x
  2. Step 2: Convert to fraction form
    643,884,000.20/966,144,864.90 = 367,747,256.60/x
  3. Step 3: Cross multiply
    643,884,000.20x = 966,144,864.90 × 367,747,256.60
  4. Step 4: Simplify right side
    643,884,000.20x = 355,297,123,545,152,640
  5. Step 5: Solve for x
    x = 355,297,123,545,152,640/643,884,000.20
  6. Step 6: Final answer
    x = 551,803,000.91

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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.