Home / 534,082,712.40-800,486,339.40-275,164,657.20

Finding the Fourth Proportional to 534,082,712.40, 800,486,339.40 and 275,164,657.20

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Solution

The fourth proportional to 534,082,712.40, 800,486,339.40 and 275,164,657.20 is: 412,418,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,082,712.40 : 800,486,339.40 = 275,164,657.20 : x
  2. Step 2: Convert to fraction form
    534,082,712.40/800,486,339.40 = 275,164,657.20/x
  3. Step 3: Cross multiply
    534,082,712.40x = 800,486,339.40 × 275,164,657.20
  4. Step 4: Simplify right side
    534,082,712.40x = 220,265,549,174,283,840
  5. Step 5: Solve for x
    x = 220,265,549,174,283,840/534,082,712.40
  6. Step 6: Final answer
    x = 412,418,421.45

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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.