Home / 398,627,419.80-597,941,129.70-360,363,667.80

Finding the Fourth Proportional to 398,627,419.80, 597,941,129.70 and 360,363,667.80

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Solution

The fourth proportional to 398,627,419.80, 597,941,129.70 and 360,363,667.80 is: 540,545,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,627,419.80 : 597,941,129.70 = 360,363,667.80 : x
  2. Step 2: Convert to fraction form
    398,627,419.80/597,941,129.70 = 360,363,667.80/x
  3. Step 3: Cross multiply
    398,627,419.80x = 597,941,129.70 × 360,363,667.80
  4. Step 4: Simplify right side
    398,627,419.80x = 215,476,258,627,167,552
  5. Step 5: Solve for x
    x = 215,476,258,627,167,552/398,627,419.80
  6. Step 6: Final answer
    x = 540,545,501.70

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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.