Home / 687,629,041.20-1,029,176,080.20-483,555,697.20

Finding the Fourth Proportional to 687,629,041.20, 1,029,176,080.20 and 483,555,697.20

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Solution

The fourth proportional to 687,629,041.20, 1,029,176,080.20 and 483,555,697.20 is: 723,739,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,629,041.20 : 1,029,176,080.20 = 483,555,697.20 : x
  2. Step 2: Convert to fraction form
    687,629,041.20/1,029,176,080.20 = 483,555,697.20/x
  3. Step 3: Cross multiply
    687,629,041.20x = 1,029,176,080.20 × 483,555,697.20
  4. Step 4: Simplify right side
    687,629,041.20x = 497,663,957,002,674,112
  5. Step 5: Solve for x
    x = 497,663,957,002,674,112/687,629,041.20
  6. Step 6: Final answer
    x = 723,739,003.42

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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.