Home / 503,330,774.83-694,680,993.16-291,769,943.36

Finding the Fourth Proportional to 503,330,774.83, 694,680,993.16 and 291,769,943.36

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Solution

The fourth proportional to 503,330,774.83, 694,680,993.16 and 291,769,943.36 is: 402,691,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,330,774.83 : 694,680,993.16 = 291,769,943.36 : x
  2. Step 2: Convert to fraction form
    503,330,774.83/694,680,993.16 = 291,769,943.36/x
  3. Step 3: Cross multiply
    503,330,774.83x = 694,680,993.16 × 291,769,943.36
  4. Step 4: Simplify right side
    503,330,774.83x = 202,687,034,023,358,944
  5. Step 5: Solve for x
    x = 202,687,034,023,358,944/503,330,774.83
  6. Step 6: Final answer
    x = 402,691,518.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.