Home / 753,454,491.66-1,039,761,752.94-418,924,422.90

Finding the Fourth Proportional to 753,454,491.66, 1,039,761,752.94 and 418,924,422.90

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Solution

The fourth proportional to 753,454,491.66, 1,039,761,752.94 and 418,924,422.90 is: 578,112,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,454,491.66 : 1,039,761,752.94 = 418,924,422.90 : x
  2. Step 2: Convert to fraction form
    753,454,491.66/1,039,761,752.94 = 418,924,422.90/x
  3. Step 3: Cross multiply
    753,454,491.66x = 1,039,761,752.94 × 418,924,422.90
  4. Step 4: Simplify right side
    753,454,491.66x = 435,581,592,303,881,856
  5. Step 5: Solve for x
    x = 435,581,592,303,881,856/753,454,491.66
  6. Step 6: Final answer
    x = 578,112,675.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.