Home / 456,877,199.01-684,198,124.93-412,660,809.66

Finding the Fourth Proportional to 456,877,199.01, 684,198,124.93 and 412,660,809.66

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Solution

The fourth proportional to 456,877,199.01, 684,198,124.93 and 412,660,809.66 is: 617,981,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,877,199.01 : 684,198,124.93 = 412,660,809.66 : x
  2. Step 2: Convert to fraction form
    456,877,199.01/684,198,124.93 = 412,660,809.66/x
  3. Step 3: Cross multiply
    456,877,199.01x = 684,198,124.93 × 412,660,809.66
  4. Step 4: Simplify right side
    456,877,199.01x = 282,341,752,204,549,184
  5. Step 5: Solve for x
    x = 282,341,752,204,549,184/456,877,199.01
  6. Step 6: Final answer
    x = 617,981,708.90

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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.