Home / 5,429,942,432.20-8,144,913,648.30-2,158,391,636.20

Finding the Fourth Proportional to 5,429,942,432.20, 8,144,913,648.30 and 2,158,391,636.20

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Solution

The fourth proportional to 5,429,942,432.20, 8,144,913,648.30 and 2,158,391,636.20 is: 3,237,587,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,942,432.20 : 8,144,913,648.30 = 2,158,391,636.20 : x
  2. Step 2: Convert to fraction form
    5,429,942,432.20/8,144,913,648.30 = 2,158,391,636.20/x
  3. Step 3: Cross multiply
    5,429,942,432.20x = 8,144,913,648.30 × 2,158,391,636.20
  4. Step 4: Simplify right side
    5,429,942,432.20x = 17,579,913,496,061,947,904
  5. Step 5: Solve for x
    x = 17,579,913,496,061,947,904/5,429,942,432.20
  6. Step 6: Final answer
    x = 3,237,587,454.30

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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.