Home / 442,871,999.10-664,307,998.65-236,247,738.30

Finding the Fourth Proportional to 442,871,999.10, 664,307,998.65 and 236,247,738.30

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Solution

The fourth proportional to 442,871,999.10, 664,307,998.65 and 236,247,738.30 is: 354,371,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,871,999.10 : 664,307,998.65 = 236,247,738.30 : x
  2. Step 2: Convert to fraction form
    442,871,999.10/664,307,998.65 = 236,247,738.30/x
  3. Step 3: Cross multiply
    442,871,999.10x = 664,307,998.65 × 236,247,738.30
  4. Step 4: Simplify right side
    442,871,999.10x = 156,941,262,215,661,952
  5. Step 5: Solve for x
    x = 156,941,262,215,661,952/442,871,999.10
  6. Step 6: Final answer
    x = 354,371,607.45

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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.