Home / 862,616,998.20-1,293,925,497.30-709,561,990.20

Finding the Fourth Proportional to 862,616,998.20, 1,293,925,497.30 and 709,561,990.20

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Solution

The fourth proportional to 862,616,998.20, 1,293,925,497.30 and 709,561,990.20 is: 1,064,342,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,616,998.20 : 1,293,925,497.30 = 709,561,990.20 : x
  2. Step 2: Convert to fraction form
    862,616,998.20/1,293,925,497.30 = 709,561,990.20/x
  3. Step 3: Cross multiply
    862,616,998.20x = 1,293,925,497.30 × 709,561,990.20
  4. Step 4: Simplify right side
    862,616,998.20x = 918,120,351,034,712,704
  5. Step 5: Solve for x
    x = 918,120,351,034,712,704/862,616,998.20
  6. Step 6: Final answer
    x = 1,064,342,985.30

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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.