Home / 7,281,017,755.84-10,047,732,970.08-3,939,442,719.04

Finding the Fourth Proportional to 7,281,017,755.84, 10,047,732,970.08 and 3,939,442,719.04

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Solution

The fourth proportional to 7,281,017,755.84, 10,047,732,970.08 and 3,939,442,719.04 is: 5,436,392,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,017,755.84 : 10,047,732,970.08 = 3,939,442,719.04 : x
  2. Step 2: Convert to fraction form
    7,281,017,755.84/10,047,732,970.08 = 3,939,442,719.04/x
  3. Step 3: Cross multiply
    7,281,017,755.84x = 10,047,732,970.08 × 3,939,442,719.04
  4. Step 4: Simplify right side
    7,281,017,755.84x = 39,582,468,491,839,807,488
  5. Step 5: Solve for x
    x = 39,582,468,491,839,807,488/7,281,017,755.84
  6. Step 6: Final answer
    x = 5,436,392,248.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.