Home / 442,871,998.80-664,307,998.20-417,789,733.20

Finding the Fourth Proportional to 442,871,998.80, 664,307,998.20 and 417,789,733.20

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Solution

The fourth proportional to 442,871,998.80, 664,307,998.20 and 417,789,733.20 is: 626,684,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,871,998.80 : 664,307,998.20 = 417,789,733.20 : x
  2. Step 2: Convert to fraction form
    442,871,998.80/664,307,998.20 = 417,789,733.20/x
  3. Step 3: Cross multiply
    442,871,998.80x = 664,307,998.20 × 417,789,733.20
  4. Step 4: Simplify right side
    442,871,998.80x = 277,541,061,330,604,096
  5. Step 5: Solve for x
    x = 277,541,061,330,604,096/442,871,998.80
  6. Step 6: Final answer
    x = 626,684,599.80

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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.