Home / 456,877,211.53-684,198,143.67-412,660,822.18

Finding the Fourth Proportional to 456,877,211.53, 684,198,143.67 and 412,660,822.18

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Solution

The fourth proportional to 456,877,211.53, 684,198,143.67 and 412,660,822.18 is: 617,981,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,877,211.53 : 684,198,143.67 = 412,660,822.18 : x
  2. Step 2: Convert to fraction form
    456,877,211.53/684,198,143.67 = 412,660,822.18/x
  3. Step 3: Cross multiply
    456,877,211.53x = 684,198,143.67 × 412,660,822.18
  4. Step 4: Simplify right side
    456,877,211.53x = 282,341,768,498,828,640
  5. Step 5: Solve for x
    x = 282,341,768,498,828,640/456,877,211.53
  6. Step 6: Final answer
    x = 617,981,727.64

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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.