Home / 487,263,720.64-730,603,615.92-155,127,190.72

Finding the Fourth Proportional to 487,263,720.64, 730,603,615.92 and 155,127,190.72

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Solution

The fourth proportional to 487,263,720.64, 730,603,615.92 and 155,127,190.72 is: 232,597,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,263,720.64 : 730,603,615.92 = 155,127,190.72 : x
  2. Step 2: Convert to fraction form
    487,263,720.64/730,603,615.92 = 155,127,190.72/x
  3. Step 3: Cross multiply
    487,263,720.64x = 730,603,615.92 × 155,127,190.72
  4. Step 4: Simplify right side
    487,263,720.64x = 113,336,486,467,543,456
  5. Step 5: Solve for x
    x = 113,336,486,467,543,456/487,263,720.64
  6. Step 6: Final answer
    x = 232,597,834.94

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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.