Home / 862,002,208.90-1,293,003,313.35-814,385,095.30

Finding the Fourth Proportional to 862,002,208.90, 1,293,003,313.35 and 814,385,095.30

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Solution

The fourth proportional to 862,002,208.90, 1,293,003,313.35 and 814,385,095.30 is: 1,221,577,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,002,208.90 : 1,293,003,313.35 = 814,385,095.30 : x
  2. Step 2: Convert to fraction form
    862,002,208.90/1,293,003,313.35 = 814,385,095.30/x
  3. Step 3: Cross multiply
    862,002,208.90x = 1,293,003,313.35 × 814,385,095.30
  4. Step 4: Simplify right side
    862,002,208.90x = 1,053,002,626,565,755,392
  5. Step 5: Solve for x
    x = 1,053,002,626,565,755,392/862,002,208.90
  6. Step 6: Final answer
    x = 1,221,577,642.95

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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.