Home / 1,359,910,959.40-2,039,866,439.10-440,447,170.60

Finding the Fourth Proportional to 1,359,910,959.40, 2,039,866,439.10 and 440,447,170.60

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Solution

The fourth proportional to 1,359,910,959.40, 2,039,866,439.10 and 440,447,170.60 is: 660,670,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,910,959.40 : 2,039,866,439.10 = 440,447,170.60 : x
  2. Step 2: Convert to fraction form
    1,359,910,959.40/2,039,866,439.10 = 440,447,170.60/x
  3. Step 3: Cross multiply
    1,359,910,959.40x = 2,039,866,439.10 × 440,447,170.60
  4. Step 4: Simplify right side
    1,359,910,959.40x = 898,453,401,503,492,224
  5. Step 5: Solve for x
    x = 898,453,401,503,492,224/1,359,910,959.40
  6. Step 6: Final answer
    x = 660,670,755.90

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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.