Home / 807,408,023.10-1,211,112,034.65-531,909,008.70

Finding the Fourth Proportional to 807,408,023.10, 1,211,112,034.65 and 531,909,008.70

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Solution

The fourth proportional to 807,408,023.10, 1,211,112,034.65 and 531,909,008.70 is: 797,863,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,408,023.10 : 1,211,112,034.65 = 531,909,008.70 : x
  2. Step 2: Convert to fraction form
    807,408,023.10/1,211,112,034.65 = 531,909,008.70/x
  3. Step 3: Cross multiply
    807,408,023.10x = 1,211,112,034.65 × 531,909,008.70
  4. Step 4: Simplify right side
    807,408,023.10x = 644,201,401,775,321,600
  5. Step 5: Solve for x
    x = 644,201,401,775,321,600/807,408,023.10
  6. Step 6: Final answer
    x = 797,863,513.05

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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.