Home / 1,013,674,723.70-1,520,512,085.55-323,651,729.30

Finding the Fourth Proportional to 1,013,674,723.70, 1,520,512,085.55 and 323,651,729.30

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Solution

The fourth proportional to 1,013,674,723.70, 1,520,512,085.55 and 323,651,729.30 is: 485,477,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,674,723.70 : 1,520,512,085.55 = 323,651,729.30 : x
  2. Step 2: Convert to fraction form
    1,013,674,723.70/1,520,512,085.55 = 323,651,729.30/x
  3. Step 3: Cross multiply
    1,013,674,723.70x = 1,520,512,085.55 × 323,651,729.30
  4. Step 4: Simplify right side
    1,013,674,723.70x = 492,116,365,909,807,040
  5. Step 5: Solve for x
    x = 492,116,365,909,807,040/1,013,674,723.70
  6. Step 6: Final answer
    x = 485,477,593.95

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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.