Home / 5,108,832,155.80-7,663,248,233.70-1,428,331,605.40

Finding the Fourth Proportional to 5,108,832,155.80, 7,663,248,233.70 and 1,428,331,605.40

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Solution

The fourth proportional to 5,108,832,155.80, 7,663,248,233.70 and 1,428,331,605.40 is: 2,142,497,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,832,155.80 : 7,663,248,233.70 = 1,428,331,605.40 : x
  2. Step 2: Convert to fraction form
    5,108,832,155.80/7,663,248,233.70 = 1,428,331,605.40/x
  3. Step 3: Cross multiply
    5,108,832,155.80x = 7,663,248,233.70 × 1,428,331,605.40
  4. Step 4: Simplify right side
    5,108,832,155.80x = 10,945,659,652,219,435,008
  5. Step 5: Solve for x
    x = 10,945,659,652,219,435,008/5,108,832,155.80
  6. Step 6: Final answer
    x = 2,142,497,408.10

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Double scale
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Similar ratio
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1.5x scale

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.