Home / 8,732,103,687.60-13,098,155,531.40-3,210,219,121.20

Finding the Fourth Proportional to 8,732,103,687.60, 13,098,155,531.40 and 3,210,219,121.20

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Solution

The fourth proportional to 8,732,103,687.60, 13,098,155,531.40 and 3,210,219,121.20 is: 4,815,328,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732,103,687.60 : 13,098,155,531.40 = 3,210,219,121.20 : x
  2. Step 2: Convert to fraction form
    8,732,103,687.60/13,098,155,531.40 = 3,210,219,121.20/x
  3. Step 3: Cross multiply
    8,732,103,687.60x = 13,098,155,531.40 × 3,210,219,121.20
  4. Step 4: Simplify right side
    8,732,103,687.60x = 42,047,949,339,351,826,432
  5. Step 5: Solve for x
    x = 42,047,949,339,351,826,432/8,732,103,687.60
  6. Step 6: Final answer
    x = 4,815,328,681.80

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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.