Home / 908,741,635.17-1,253,849,867.07-551,501,493.72

Finding the Fourth Proportional to 908,741,635.17, 1,253,849,867.07 and 551,501,493.72

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Solution

The fourth proportional to 908,741,635.17, 1,253,849,867.07 and 551,501,493.72 is: 760,942,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,741,635.17 : 1,253,849,867.07 = 551,501,493.72 : x
  2. Step 2: Convert to fraction form
    908,741,635.17/1,253,849,867.07 = 551,501,493.72/x
  3. Step 3: Cross multiply
    908,741,635.17x = 1,253,849,867.07 × 551,501,493.72
  4. Step 4: Simplify right side
    908,741,635.17x = 691,500,074,589,728,384
  5. Step 5: Solve for x
    x = 691,500,074,589,728,384/908,741,635.17
  6. Step 6: Final answer
    x = 760,942,437.13

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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.