Home / 714,704,315.47-1,071,815,457.10-271,941,886.24

Finding the Fourth Proportional to 714,704,315.47, 1,071,815,457.10 and 271,941,886.24

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Solution

The fourth proportional to 714,704,315.47, 1,071,815,457.10 and 271,941,886.24 is: 407,821,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,704,315.47 : 1,071,815,457.10 = 271,941,886.24 : x
  2. Step 2: Convert to fraction form
    714,704,315.47/1,071,815,457.10 = 271,941,886.24/x
  3. Step 3: Cross multiply
    714,704,315.47x = 1,071,815,457.10 × 271,941,886.24
  4. Step 4: Simplify right side
    714,704,315.47x = 291,471,517,104,281,920
  5. Step 5: Solve for x
    x = 291,471,517,104,281,920/714,704,315.47
  6. Step 6: Final answer
    x = 407,821,123.78

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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.