Home / 354,336,091,863.48-531,505,516,732.74-85,724,641,051.92

Finding the Fourth Proportional to 354,336,091,863.48, 531,505,516,732.74 and 85,724,641,051.92

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Solution

The fourth proportional to 354,336,091,863.48, 531,505,516,732.74 and 85,724,641,051.92 is: 128,587,295,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,336,091,863.48 : 531,505,516,732.74 = 85,724,641,051.92 : x
  2. Step 2: Convert to fraction form
    354,336,091,863.48/531,505,516,732.74 = 85,724,641,051.92/x
  3. Step 3: Cross multiply
    354,336,091,863.48x = 531,505,516,732.74 × 85,724,641,051.92
  4. Step 4: Simplify right side
    354,336,091,863.48x = 45,563,119,639,029,396,537,344
  5. Step 5: Solve for x
    x = 45,563,119,639,029,396,537,344/354,336,091,863.48
  6. Step 6: Final answer
    x = 128,587,295,184.66

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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.