Home / 709,543,404.80-1,063,853,212.80-636,983,993.60

Finding the Fourth Proportional to 709,543,404.80, 1,063,853,212.80 and 636,983,993.60

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Solution

The fourth proportional to 709,543,404.80, 1,063,853,212.80 and 636,983,993.60 is: 955,061,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,543,404.80 : 1,063,853,212.80 = 636,983,993.60 : x
  2. Step 2: Convert to fraction form
    709,543,404.80/1,063,853,212.80 = 636,983,993.60/x
  3. Step 3: Cross multiply
    709,543,404.80x = 1,063,853,212.80 × 636,983,993.60
  4. Step 4: Simplify right side
    709,543,404.80x = 677,657,468,093,534,592
  5. Step 5: Solve for x
    x = 677,657,468,093,534,592/709,543,404.80
  6. Step 6: Final answer
    x = 955,061,330.30

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1.5x scale

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.