Home / 442,872,025.10-664,308,037.65-236,247,764.30

Finding the Fourth Proportional to 442,872,025.10, 664,308,037.65 and 236,247,764.30

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Solution

The fourth proportional to 442,872,025.10, 664,308,037.65 and 236,247,764.30 is: 354,371,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,025.10 : 664,308,037.65 = 236,247,764.30 : x
  2. Step 2: Convert to fraction form
    442,872,025.10/664,308,037.65 = 236,247,764.30/x
  3. Step 3: Cross multiply
    442,872,025.10x = 664,308,037.65 × 236,247,764.30
  4. Step 4: Simplify right side
    442,872,025.10x = 156,941,288,701,332,736
  5. Step 5: Solve for x
    x = 156,941,288,701,332,736/442,872,025.10
  6. Step 6: Final answer
    x = 354,371,646.45

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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.