Home / 699,080,419.20-1,049,483,246.40-440,295,139.20

Finding the Fourth Proportional to 699,080,419.20, 1,049,483,246.40 and 440,295,139.20

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Solution

The fourth proportional to 699,080,419.20, 1,049,483,246.40 and 440,295,139.20 is: 660,986,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,080,419.20 : 1,049,483,246.40 = 440,295,139.20 : x
  2. Step 2: Convert to fraction form
    699,080,419.20/1,049,483,246.40 = 440,295,139.20/x
  3. Step 3: Cross multiply
    699,080,419.20x = 1,049,483,246.40 × 440,295,139.20
  4. Step 4: Simplify right side
    699,080,419.20x = 462,082,372,061,755,904
  5. Step 5: Solve for x
    x = 462,082,372,061,755,904/699,080,419.20
  6. Step 6: Final answer
    x = 660,986,003.00

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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.