Home / 435,340,612.67-653,291,856.90-158,968,687.32

Finding the Fourth Proportional to 435,340,612.67, 653,291,856.90 and 158,968,687.32

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Solution

The fourth proportional to 435,340,612.67, 653,291,856.90 and 158,968,687.32 is: 238,555,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,340,612.67 : 653,291,856.90 = 158,968,687.32 : x
  2. Step 2: Convert to fraction form
    435,340,612.67/653,291,856.90 = 158,968,687.32/x
  3. Step 3: Cross multiply
    435,340,612.67x = 653,291,856.90 × 158,968,687.32
  4. Step 4: Simplify right side
    435,340,612.67x = 103,852,948,928,238,272
  5. Step 5: Solve for x
    x = 103,852,948,928,238,272/435,340,612.67
  6. Step 6: Final answer
    x = 238,555,618.08

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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.