Home / 442,872,051.10-664,308,076.65-236,247,790.30

Finding the Fourth Proportional to 442,872,051.10, 664,308,076.65 and 236,247,790.30

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Solution

The fourth proportional to 442,872,051.10, 664,308,076.65 and 236,247,790.30 is: 354,371,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,051.10 : 664,308,076.65 = 236,247,790.30 : x
  2. Step 2: Convert to fraction form
    442,872,051.10/664,308,076.65 = 236,247,790.30/x
  3. Step 3: Cross multiply
    442,872,051.10x = 664,308,076.65 × 236,247,790.30
  4. Step 4: Simplify right side
    442,872,051.10x = 156,941,315,187,005,536
  5. Step 5: Solve for x
    x = 156,941,315,187,005,536/442,872,051.10
  6. Step 6: Final answer
    x = 354,371,685.45

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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.