Home / 472,392,711.30-708,589,066.95-127,381,214.10

Finding the Fourth Proportional to 472,392,711.30, 708,589,066.95 and 127,381,214.10

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Solution

The fourth proportional to 472,392,711.30, 708,589,066.95 and 127,381,214.10 is: 191,071,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,711.30 : 708,589,066.95 = 127,381,214.10 : x
  2. Step 2: Convert to fraction form
    472,392,711.30/708,589,066.95 = 127,381,214.10/x
  3. Step 3: Cross multiply
    472,392,711.30x = 708,589,066.95 × 127,381,214.10
  4. Step 4: Simplify right side
    472,392,711.30x = 90,260,935,646,077,184
  5. Step 5: Solve for x
    x = 90,260,935,646,077,184/472,392,711.30
  6. Step 6: Final answer
    x = 191,071,821.15

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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.