Home / 535,566,289.20-803,486,291.40-172,064,209.20

Finding the Fourth Proportional to 535,566,289.20, 803,486,291.40 and 172,064,209.20

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Solution

The fourth proportional to 535,566,289.20, 803,486,291.40 and 172,064,209.20 is: 258,140,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,566,289.20 : 803,486,291.40 = 172,064,209.20 : x
  2. Step 2: Convert to fraction form
    535,566,289.20/803,486,291.40 = 172,064,209.20/x
  3. Step 3: Cross multiply
    535,566,289.20x = 803,486,291.40 × 172,064,209.20
  4. Step 4: Simplify right side
    535,566,289.20x = 138,251,233,332,781,744
  5. Step 5: Solve for x
    x = 138,251,233,332,781,744/535,566,289.20
  6. Step 6: Final answer
    x = 258,140,282.76

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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.