Home / 609,849,019.20-914,773,528.80-518,016,014.40

Finding the Fourth Proportional to 609,849,019.20, 914,773,528.80 and 518,016,014.40

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Solution

The fourth proportional to 609,849,019.20, 914,773,528.80 and 518,016,014.40 is: 777,024,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,849,019.20 : 914,773,528.80 = 518,016,014.40 : x
  2. Step 2: Convert to fraction form
    609,849,019.20/914,773,528.80 = 518,016,014.40/x
  3. Step 3: Cross multiply
    609,849,019.20x = 914,773,528.80 × 518,016,014.40
  4. Step 4: Simplify right side
    609,849,019.20x = 473,867,337,467,599,552
  5. Step 5: Solve for x
    x = 473,867,337,467,599,552/609,849,019.20
  6. Step 6: Final answer
    x = 777,024,021.60

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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.