Home / 457,729,500.80-686,594,251.20-170,455,721.60

Finding the Fourth Proportional to 457,729,500.80, 686,594,251.20 and 170,455,721.60

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Solution

The fourth proportional to 457,729,500.80, 686,594,251.20 and 170,455,721.60 is: 255,683,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,729,500.80 : 686,594,251.20 = 170,455,721.60 : x
  2. Step 2: Convert to fraction form
    457,729,500.80/686,594,251.20 = 170,455,721.60/x
  3. Step 3: Cross multiply
    457,729,500.80x = 686,594,251.20 × 170,455,721.60
  4. Step 4: Simplify right side
    457,729,500.80x = 117,033,918,534,707,664
  5. Step 5: Solve for x
    x = 117,033,918,534,707,664/457,729,500.80
  6. Step 6: Final answer
    x = 255,683,582.40

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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.