Home / 442,871,999.60-664,307,999.40-236,247,738.80

Finding the Fourth Proportional to 442,871,999.60, 664,307,999.40 and 236,247,738.80

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Solution

The fourth proportional to 442,871,999.60, 664,307,999.40 and 236,247,738.80 is: 354,371,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,871,999.60 : 664,307,999.40 = 236,247,738.80 : x
  2. Step 2: Convert to fraction form
    442,871,999.60/664,307,999.40 = 236,247,738.80/x
  3. Step 3: Cross multiply
    442,871,999.60x = 664,307,999.40 × 236,247,738.80
  4. Step 4: Simplify right side
    442,871,999.60x = 156,941,262,725,001,760
  5. Step 5: Solve for x
    x = 156,941,262,725,001,760/442,871,999.60
  6. Step 6: Final answer
    x = 354,371,608.20

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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.