Home / 8,065,658,980.80-12,098,488,471.20-4,578,874,579.80

Finding the Fourth Proportional to 8,065,658,980.80, 12,098,488,471.20 and 4,578,874,579.80

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Solution

The fourth proportional to 8,065,658,980.80, 12,098,488,471.20 and 4,578,874,579.80 is: 6,868,311,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,658,980.80 : 12,098,488,471.20 = 4,578,874,579.80 : x
  2. Step 2: Convert to fraction form
    8,065,658,980.80/12,098,488,471.20 = 4,578,874,579.80/x
  3. Step 3: Cross multiply
    8,065,658,980.80x = 12,098,488,471.20 × 4,578,874,579.80
  4. Step 4: Simplify right side
    8,065,658,980.80x = 55,397,461,314,781,052,928
  5. Step 5: Solve for x
    x = 55,397,461,314,781,052,928/8,065,658,980.80
  6. Step 6: Final answer
    x = 6,868,311,869.70

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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.