Home / 1,055,264,020.20-1,582,896,030.30-779,765,005.80

Finding the Fourth Proportional to 1,055,264,020.20, 1,582,896,030.30 and 779,765,005.80

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Solution

The fourth proportional to 1,055,264,020.20, 1,582,896,030.30 and 779,765,005.80 is: 1,169,647,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,264,020.20 : 1,582,896,030.30 = 779,765,005.80 : x
  2. Step 2: Convert to fraction form
    1,055,264,020.20/1,582,896,030.30 = 779,765,005.80/x
  3. Step 3: Cross multiply
    1,055,264,020.20x = 1,582,896,030.30 × 779,765,005.80
  4. Step 4: Simplify right side
    1,055,264,020.20x = 1,234,286,932,247,676,416
  5. Step 5: Solve for x
    x = 1,234,286,932,247,676,416/1,055,264,020.20
  6. Step 6: Final answer
    x = 1,169,647,508.70

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Double scale
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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.