Home / 591,398,830.83-816,381,680.18-368,490,644.94

Finding the Fourth Proportional to 591,398,830.83, 816,381,680.18 and 368,490,644.94

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Solution

The fourth proportional to 591,398,830.83, 816,381,680.18 and 368,490,644.94 is: 508,673,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,398,830.83 : 816,381,680.18 = 368,490,644.94 : x
  2. Step 2: Convert to fraction form
    591,398,830.83/816,381,680.18 = 368,490,644.94/x
  3. Step 3: Cross multiply
    591,398,830.83x = 816,381,680.18 × 368,490,644.94
  4. Step 4: Simplify right side
    591,398,830.83x = 300,829,011,850,711,680
  5. Step 5: Solve for x
    x = 300,829,011,850,711,680/591,398,830.83
  6. Step 6: Final answer
    x = 508,673,666.86

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Why These Related Problems?

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