Home / 1,158,828,901.20-1,738,551,281.40-503,498,725.20

Finding the Fourth Proportional to 1,158,828,901.20, 1,738,551,281.40 and 503,498,725.20

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Solution

The fourth proportional to 1,158,828,901.20, 1,738,551,281.40 and 503,498,725.20 is: 755,381,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,828,901.20 : 1,738,551,281.40 = 503,498,725.20 : x
  2. Step 2: Convert to fraction form
    1,158,828,901.20/1,738,551,281.40 = 503,498,725.20/x
  3. Step 3: Cross multiply
    1,158,828,901.20x = 1,738,551,281.40 × 503,498,725.20
  4. Step 4: Simplify right side
    1,158,828,901.20x = 875,358,353,879,726,464
  5. Step 5: Solve for x
    x = 875,358,353,879,726,464/1,158,828,901.20
  6. Step 6: Final answer
    x = 755,381,879.91

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Double scale
Find fourth proportional to 1,158,828,902.20, 1,738,551,282.90 and 503,498,726.20
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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.