Home / 715,391,998.80-1,073,087,998.20-710,857,035.60

Finding the Fourth Proportional to 715,391,998.80, 1,073,087,998.20 and 710,857,035.60

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Solution

The fourth proportional to 715,391,998.80, 1,073,087,998.20 and 710,857,035.60 is: 1,066,285,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,391,998.80 : 1,073,087,998.20 = 710,857,035.60 : x
  2. Step 2: Convert to fraction form
    715,391,998.80/1,073,087,998.20 = 710,857,035.60/x
  3. Step 3: Cross multiply
    715,391,998.80x = 1,073,087,998.20 × 710,857,035.60
  4. Step 4: Simplify right side
    715,391,998.80x = 762,812,153,338,390,144
  5. Step 5: Solve for x
    x = 762,812,153,338,390,144/715,391,998.80
  6. Step 6: Final answer
    x = 1,066,285,553.40

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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.