Home / 609,849,021.70-914,773,532.55-518,016,016.90

Finding the Fourth Proportional to 609,849,021.70, 914,773,532.55 and 518,016,016.90

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Solution

The fourth proportional to 609,849,021.70, 914,773,532.55 and 518,016,016.90 is: 777,024,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,849,021.70 : 914,773,532.55 = 518,016,016.90 : x
  2. Step 2: Convert to fraction form
    609,849,021.70/914,773,532.55 = 518,016,016.90/x
  3. Step 3: Cross multiply
    609,849,021.70x = 914,773,532.55 × 518,016,016.90
  4. Step 4: Simplify right side
    609,849,021.70x = 473,867,341,697,093,440
  5. Step 5: Solve for x
    x = 473,867,341,697,093,440/609,849,021.70
  6. Step 6: Final answer
    x = 777,024,025.35

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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.