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Finding the Fourth Proportional to 463,679,752.32, 695,645,068.32 and 156,971,891.52

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Solution

The fourth proportional to 463,679,752.32, 695,645,068.32 and 156,971,891.52 is: 235,500,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,679,752.32 : 695,645,068.32 = 156,971,891.52 : x
  2. Step 2: Convert to fraction form
    463,679,752.32/695,645,068.32 = 156,971,891.52/x
  3. Step 3: Cross multiply
    463,679,752.32x = 695,645,068.32 × 156,971,891.52
  4. Step 4: Simplify right side
    463,679,752.32x = 109,196,722,200,750,048
  5. Step 5: Solve for x
    x = 109,196,722,200,750,048/463,679,752.32
  6. Step 6: Final answer
    x = 235,500,303.07

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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.