Home / 777,747,015.40-1,167,068,420.70-293,420,410.60

Finding the Fourth Proportional to 777,747,015.40, 1,167,068,420.70 and 293,420,410.60

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Solution

The fourth proportional to 777,747,015.40, 1,167,068,420.70 and 293,420,410.60 is: 440,299,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,747,015.40 : 1,167,068,420.70 = 293,420,410.60 : x
  2. Step 2: Convert to fraction form
    777,747,015.40/1,167,068,420.70 = 293,420,410.60/x
  3. Step 3: Cross multiply
    777,747,015.40x = 1,167,068,420.70 × 293,420,410.60
  4. Step 4: Simplify right side
    777,747,015.40x = 342,441,695,200,087,552
  5. Step 5: Solve for x
    x = 342,441,695,200,087,552/777,747,015.40
  6. Step 6: Final answer
    x = 440,299,594.11

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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.