Home / 470,491,569.60-705,737,354.40-298,729,838.40

Finding the Fourth Proportional to 470,491,569.60, 705,737,354.40 and 298,729,838.40

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Solution

The fourth proportional to 470,491,569.60, 705,737,354.40 and 298,729,838.40 is: 448,094,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,491,569.60 : 705,737,354.40 = 298,729,838.40 : x
  2. Step 2: Convert to fraction form
    470,491,569.60/705,737,354.40 = 298,729,838.40/x
  3. Step 3: Cross multiply
    470,491,569.60x = 705,737,354.40 × 298,729,838.40
  4. Step 4: Simplify right side
    470,491,569.60x = 210,824,805,832,755,520
  5. Step 5: Solve for x
    x = 210,824,805,832,755,520/470,491,569.60
  6. Step 6: Final answer
    x = 448,094,757.60

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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.