Home / 456,877,211.28-684,198,143.29-412,660,821.93

Finding the Fourth Proportional to 456,877,211.28, 684,198,143.29 and 412,660,821.93

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Solution

The fourth proportional to 456,877,211.28, 684,198,143.29 and 412,660,821.93 is: 617,981,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,877,211.28 : 684,198,143.29 = 412,660,821.93 : x
  2. Step 2: Convert to fraction form
    456,877,211.28/684,198,143.29 = 412,660,821.93/x
  3. Step 3: Cross multiply
    456,877,211.28x = 684,198,143.29 × 412,660,821.93
  4. Step 4: Simplify right side
    456,877,211.28x = 282,341,768,173,031,296
  5. Step 5: Solve for x
    x = 282,341,768,173,031,296/456,877,211.28
  6. Step 6: Final answer
    x = 617,981,727.26

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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.