Home / 1,145,034,470.56-1,715,962,674.96-521,726,419.84

Finding the Fourth Proportional to 1,145,034,470.56, 1,715,962,674.96 and 521,726,419.84

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Solution

The fourth proportional to 1,145,034,470.56, 1,715,962,674.96 and 521,726,419.84 is: 781,865,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,034,470.56 : 1,715,962,674.96 = 521,726,419.84 : x
  2. Step 2: Convert to fraction form
    1,145,034,470.56/1,715,962,674.96 = 521,726,419.84/x
  3. Step 3: Cross multiply
    1,145,034,470.56x = 1,715,962,674.96 × 521,726,419.84
  4. Step 4: Simplify right side
    1,145,034,470.56x = 895,263,062,985,950,336
  5. Step 5: Solve for x
    x = 895,263,062,985,950,336/1,145,034,470.56
  6. Step 6: Final answer
    x = 781,865,599.69

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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.