Home / 690,863,682.92-1,036,581,957.66-302,486,052.20

Finding the Fourth Proportional to 690,863,682.92, 1,036,581,957.66 and 302,486,052.20

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Solution

The fourth proportional to 690,863,682.92, 1,036,581,957.66 and 302,486,052.20 is: 453,854,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,863,682.92 : 1,036,581,957.66 = 302,486,052.20 : x
  2. Step 2: Convert to fraction form
    690,863,682.92/1,036,581,957.66 = 302,486,052.20/x
  3. Step 3: Cross multiply
    690,863,682.92x = 1,036,581,957.66 × 302,486,052.20
  4. Step 4: Simplify right side
    690,863,682.92x = 313,551,584,154,320,896
  5. Step 5: Solve for x
    x = 313,551,584,154,320,896/690,863,682.92
  6. Step 6: Final answer
    x = 453,854,489.54

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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.