Home / 804,588,761.90-1,206,883,142.85-396,442,073.90

Finding the Fourth Proportional to 804,588,761.90, 1,206,883,142.85 and 396,442,073.90

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Solution

The fourth proportional to 804,588,761.90, 1,206,883,142.85 and 396,442,073.90 is: 594,663,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,588,761.90 : 1,206,883,142.85 = 396,442,073.90 : x
  2. Step 2: Convert to fraction form
    804,588,761.90/1,206,883,142.85 = 396,442,073.90/x
  3. Step 3: Cross multiply
    804,588,761.90x = 1,206,883,142.85 × 396,442,073.90
  4. Step 4: Simplify right side
    804,588,761.90x = 478,459,256,106,403,904
  5. Step 5: Solve for x
    x = 478,459,256,106,403,904/804,588,761.90
  6. Step 6: Final answer
    x = 594,663,110.85

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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.