Home / 804,588,811.90-1,206,883,217.85-396,442,123.90

Finding the Fourth Proportional to 804,588,811.90, 1,206,883,217.85 and 396,442,123.90

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Solution

The fourth proportional to 804,588,811.90, 1,206,883,217.85 and 396,442,123.90 is: 594,663,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,588,811.90 : 1,206,883,217.85 = 396,442,123.90 : x
  2. Step 2: Convert to fraction form
    804,588,811.90/1,206,883,217.85 = 396,442,123.90/x
  3. Step 3: Cross multiply
    804,588,811.90x = 1,206,883,217.85 × 396,442,123.90
  4. Step 4: Simplify right side
    804,588,811.90x = 478,459,346,183,720,320
  5. Step 5: Solve for x
    x = 478,459,346,183,720,320/804,588,811.90
  6. Step 6: Final answer
    x = 594,663,185.85

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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.