Home / 609,849,020.20-914,773,530.30-518,016,015.40

Finding the Fourth Proportional to 609,849,020.20, 914,773,530.30 and 518,016,015.40

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Solution

The fourth proportional to 609,849,020.20, 914,773,530.30 and 518,016,015.40 is: 777,024,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,849,020.20 : 914,773,530.30 = 518,016,015.40 : x
  2. Step 2: Convert to fraction form
    609,849,020.20/914,773,530.30 = 518,016,015.40/x
  3. Step 3: Cross multiply
    609,849,020.20x = 914,773,530.30 × 518,016,015.40
  4. Step 4: Simplify right side
    609,849,020.20x = 473,867,339,159,397,120
  5. Step 5: Solve for x
    x = 473,867,339,159,397,120/609,849,020.20
  6. Step 6: Final answer
    x = 777,024,023.10

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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.