Home / 582,468,518.60-803,801,778.76-318,150,680.20

Finding the Fourth Proportional to 582,468,518.60, 803,801,778.76 and 318,150,680.20

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Solution

The fourth proportional to 582,468,518.60, 803,801,778.76 and 318,150,680.20 is: 439,045,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,468,518.60 : 803,801,778.76 = 318,150,680.20 : x
  2. Step 2: Convert to fraction form
    582,468,518.60/803,801,778.76 = 318,150,680.20/x
  3. Step 3: Cross multiply
    582,468,518.60x = 803,801,778.76 × 318,150,680.20
  4. Step 4: Simplify right side
    582,468,518.60x = 255,730,082,658,463,904
  5. Step 5: Solve for x
    x = 255,730,082,658,463,904/582,468,518.60
  6. Step 6: Final answer
    x = 439,045,329.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.