Home / 899,892,350.92-1,241,853,267.20-503,421,961.40

Finding the Fourth Proportional to 899,892,350.92, 1,241,853,267.20 and 503,421,961.40

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Solution

The fourth proportional to 899,892,350.92, 1,241,853,267.20 and 503,421,961.40 is: 694,723,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,892,350.92 : 1,241,853,267.20 = 503,421,961.40 : x
  2. Step 2: Convert to fraction form
    899,892,350.92/1,241,853,267.20 = 503,421,961.40/x
  3. Step 3: Cross multiply
    899,892,350.92x = 1,241,853,267.20 × 503,421,961.40
  4. Step 4: Simplify right side
    899,892,350.92x = 625,176,207,544,822,272
  5. Step 5: Solve for x
    x = 625,176,207,544,822,272/899,892,350.92
  6. Step 6: Final answer
    x = 694,723,326.52

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1.5x scale

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.