Home / 20,177,881,037.10-30,266,821,555.65-9,694,569,582.90

Finding the Fourth Proportional to 20,177,881,037.10, 30,266,821,555.65 and 9,694,569,582.90

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Solution

The fourth proportional to 20,177,881,037.10, 30,266,821,555.65 and 9,694,569,582.90 is: 14,541,854,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,881,037.10 : 30,266,821,555.65 = 9,694,569,582.90 : x
  2. Step 2: Convert to fraction form
    20,177,881,037.10/30,266,821,555.65 = 9,694,569,582.90/x
  3. Step 3: Cross multiply
    20,177,881,037.10x = 30,266,821,555.65 × 9,694,569,582.90
  4. Step 4: Simplify right side
    20,177,881,037.10x = 293,423,807,624,466,563,072
  5. Step 5: Solve for x
    x = 293,423,807,624,466,563,072/20,177,881,037.10
  6. Step 6: Final answer
    x = 14,541,854,374.35

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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.