Home / 535,566,287.20-803,486,288.40-172,064,207.20

Finding the Fourth Proportional to 535,566,287.20, 803,486,288.40 and 172,064,207.20

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Solution

The fourth proportional to 535,566,287.20, 803,486,288.40 and 172,064,207.20 is: 258,140,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,566,287.20 : 803,486,288.40 = 172,064,207.20 : x
  2. Step 2: Convert to fraction form
    535,566,287.20/803,486,288.40 = 172,064,207.20/x
  3. Step 3: Cross multiply
    535,566,287.20x = 803,486,288.40 × 172,064,207.20
  4. Step 4: Simplify right side
    535,566,287.20x = 138,251,231,209,616,544
  5. Step 5: Solve for x
    x = 138,251,231,209,616,544/535,566,287.20
  6. Step 6: Final answer
    x = 258,140,279.76

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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.