Home / 804,588,805.90-1,206,883,208.85-396,442,117.90

Finding the Fourth Proportional to 804,588,805.90, 1,206,883,208.85 and 396,442,117.90

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Solution

The fourth proportional to 804,588,805.90, 1,206,883,208.85 and 396,442,117.90 is: 594,663,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,588,805.90 : 1,206,883,208.85 = 396,442,117.90 : x
  2. Step 2: Convert to fraction form
    804,588,805.90/1,206,883,208.85 = 396,442,117.90/x
  3. Step 3: Cross multiply
    804,588,805.90x = 1,206,883,208.85 × 396,442,117.90
  4. Step 4: Simplify right side
    804,588,805.90x = 478,459,335,374,441,984
  5. Step 5: Solve for x
    x = 478,459,335,374,441,984/804,588,805.90
  6. Step 6: Final answer
    x = 594,663,176.85

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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.