Home / 771,022,363.58-1,156,643,360.10-239,279,729.30

Finding the Fourth Proportional to 771,022,363.58, 1,156,643,360.10 and 239,279,729.30

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Solution

The fourth proportional to 771,022,363.58, 1,156,643,360.10 and 239,279,729.30 is: 358,953,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,022,363.58 : 1,156,643,360.10 = 239,279,729.30 : x
  2. Step 2: Convert to fraction form
    771,022,363.58/1,156,643,360.10 = 239,279,729.30/x
  3. Step 3: Cross multiply
    771,022,363.58x = 1,156,643,360.10 × 239,279,729.30
  4. Step 4: Simplify right side
    771,022,363.58x = 276,761,310,101,370,400
  5. Step 5: Solve for x
    x = 276,761,310,101,370,400/771,022,363.58
  6. Step 6: Final answer
    x = 358,953,673.95

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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.