Home / 709,205,421.40-1,062,912,336.90-344,915,373.40

Finding the Fourth Proportional to 709,205,421.40, 1,062,912,336.90 and 344,915,373.40

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Solution

The fourth proportional to 709,205,421.40, 1,062,912,336.90 and 344,915,373.40 is: 516,937,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,205,421.40 : 1,062,912,336.90 = 344,915,373.40 : x
  2. Step 2: Convert to fraction form
    709,205,421.40/1,062,912,336.90 = 344,915,373.40/x
  3. Step 3: Cross multiply
    709,205,421.40x = 1,062,912,336.90 × 344,915,373.40
  4. Step 4: Simplify right side
    709,205,421.40x = 366,614,805,573,330,048
  5. Step 5: Solve for x
    x = 366,614,805,573,330,048/709,205,421.40
  6. Step 6: Final answer
    x = 516,937,398.55

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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.