Home / 687,628,846.20-1,029,175,787.70-483,555,502.20

Finding the Fourth Proportional to 687,628,846.20, 1,029,175,787.70 and 483,555,502.20

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Solution

The fourth proportional to 687,628,846.20, 1,029,175,787.70 and 483,555,502.20 is: 723,738,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,628,846.20 : 1,029,175,787.70 = 483,555,502.20 : x
  2. Step 2: Convert to fraction form
    687,628,846.20/1,029,175,787.70 = 483,555,502.20/x
  3. Step 3: Cross multiply
    687,628,846.20x = 1,029,175,787.70 × 483,555,502.20
  4. Step 4: Simplify right side
    687,628,846.20x = 497,663,614,873,354,112
  5. Step 5: Solve for x
    x = 497,663,614,873,354,112/687,628,846.20
  6. Step 6: Final answer
    x = 723,738,711.11

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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.