Home / 898,764,115.83-1,240,332,784.17-502,287,093.72

Finding the Fourth Proportional to 898,764,115.83, 1,240,332,784.17 and 502,287,093.72

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Solution

The fourth proportional to 898,764,115.83, 1,240,332,784.17 and 502,287,093.72 is: 693,177,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,764,115.83 : 1,240,332,784.17 = 502,287,093.72 : x
  2. Step 2: Convert to fraction form
    898,764,115.83/1,240,332,784.17 = 502,287,093.72/x
  3. Step 3: Cross multiply
    898,764,115.83x = 1,240,332,784.17 × 502,287,093.72
  4. Step 4: Simplify right side
    898,764,115.83x = 623,003,149,406,385,408
  5. Step 5: Solve for x
    x = 623,003,149,406,385,408/898,764,115.83
  6. Step 6: Final answer
    x = 693,177,596.25

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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.