Home / 638,815,248-958,126,760.64-178,693,776

Finding the Fourth Proportional to 638,815,248, 958,126,760.64 and 178,693,776

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Solution

The fourth proportional to 638,815,248, 958,126,760.64 and 178,693,776 is: 268,013,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,815,248 : 958,126,760.64 = 178,693,776 : x
  2. Step 2: Convert to fraction form
    638,815,248/958,126,760.64 = 178,693,776/x
  3. Step 3: Cross multiply
    638,815,248x = 958,126,760.64 × 178,693,776
  4. Step 4: Simplify right side
    638,815,248x = 171,211,288,745,409,760
  5. Step 5: Solve for x
    x = 171,211,288,745,409,760/638,815,248
  6. Step 6: Final answer
    x = 268,013,779.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.