Home / 398,627,350.80-597,941,026.20-360,363,598.80

Finding the Fourth Proportional to 398,627,350.80, 597,941,026.20 and 360,363,598.80

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Solution

The fourth proportional to 398,627,350.80, 597,941,026.20 and 360,363,598.80 is: 540,545,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,627,350.80 : 597,941,026.20 = 360,363,598.80 : x
  2. Step 2: Convert to fraction form
    398,627,350.80/597,941,026.20 = 360,363,598.80/x
  3. Step 3: Cross multiply
    398,627,350.80x = 597,941,026.20 × 360,363,598.80
  4. Step 4: Simplify right side
    398,627,350.80x = 215,476,180,071,597,120
  5. Step 5: Solve for x
    x = 215,476,180,071,597,120/398,627,350.80
  6. Step 6: Final answer
    x = 540,545,398.20

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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.