Home / 804,820,105.90-1,207,230,158.85-396,673,417.90

Finding the Fourth Proportional to 804,820,105.90, 1,207,230,158.85 and 396,673,417.90

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Solution

The fourth proportional to 804,820,105.90, 1,207,230,158.85 and 396,673,417.90 is: 595,010,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,820,105.90 : 1,207,230,158.85 = 396,673,417.90 : x
  2. Step 2: Convert to fraction form
    804,820,105.90/1,207,230,158.85 = 396,673,417.90/x
  3. Step 3: Cross multiply
    804,820,105.90x = 1,207,230,158.85 × 396,673,417.90
  4. Step 4: Simplify right side
    804,820,105.90x = 478,876,113,302,989,376
  5. Step 5: Solve for x
    x = 478,876,113,302,989,376/804,820,105.90
  6. Step 6: Final answer
    x = 595,010,126.85

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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.