Home / 457,884,519.60-685,819,009.80-275,814,145.20

Finding the Fourth Proportional to 457,884,519.60, 685,819,009.80 and 275,814,145.20

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Solution

The fourth proportional to 457,884,519.60, 685,819,009.80 and 275,814,145.20 is: 413,114,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,884,519.60 : 685,819,009.80 = 275,814,145.20 : x
  2. Step 2: Convert to fraction form
    457,884,519.60/685,819,009.80 = 275,814,145.20/x
  3. Step 3: Cross multiply
    457,884,519.60x = 685,819,009.80 × 275,814,145.20
  4. Step 4: Simplify right side
    457,884,519.60x = 189,158,583,949,897,408
  5. Step 5: Solve for x
    x = 189,158,583,949,897,408/457,884,519.60
  6. Step 6: Final answer
    x = 413,114,171.48

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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.