Home / 687,629,054.20-1,029,176,099.70-483,555,710.20

Finding the Fourth Proportional to 687,629,054.20, 1,029,176,099.70 and 483,555,710.20

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Solution

The fourth proportional to 687,629,054.20, 1,029,176,099.70 and 483,555,710.20 is: 723,739,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,629,054.20 : 1,029,176,099.70 = 483,555,710.20 : x
  2. Step 2: Convert to fraction form
    687,629,054.20/1,029,176,099.70 = 483,555,710.20/x
  3. Step 3: Cross multiply
    687,629,054.20x = 1,029,176,099.70 × 483,555,710.20
  4. Step 4: Simplify right side
    687,629,054.20x = 497,663,979,811,299,520
  5. Step 5: Solve for x
    x = 497,663,979,811,299,520/687,629,054.20
  6. Step 6: Final answer
    x = 723,739,022.91

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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.