Home / 886,458,966.30-1,329,688,449.45-272,963,475.90

Finding the Fourth Proportional to 886,458,966.30, 1,329,688,449.45 and 272,963,475.90

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Solution

The fourth proportional to 886,458,966.30, 1,329,688,449.45 and 272,963,475.90 is: 409,445,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,458,966.30 : 1,329,688,449.45 = 272,963,475.90 : x
  2. Step 2: Convert to fraction form
    886,458,966.30/1,329,688,449.45 = 272,963,475.90/x
  3. Step 3: Cross multiply
    886,458,966.30x = 1,329,688,449.45 × 272,963,475.90
  4. Step 4: Simplify right side
    886,458,966.30x = 362,956,381,025,953,408
  5. Step 5: Solve for x
    x = 362,956,381,025,953,408/886,458,966.30
  6. Step 6: Final answer
    x = 409,445,213.85

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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.