Home / 521,532,538.01-718,995,743.92-416,043,990.87

Finding the Fourth Proportional to 521,532,538.01, 718,995,743.92 and 416,043,990.87

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Solution

The fourth proportional to 521,532,538.01, 718,995,743.92 and 416,043,990.87 is: 573,567,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,532,538.01 : 718,995,743.92 = 416,043,990.87 : x
  2. Step 2: Convert to fraction form
    521,532,538.01/718,995,743.92 = 416,043,990.87/x
  3. Step 3: Cross multiply
    521,532,538.01x = 718,995,743.92 × 416,043,990.87
  4. Step 4: Simplify right side
    521,532,538.01x = 299,133,858,714,508,160
  5. Step 5: Solve for x
    x = 299,133,858,714,508,160/521,532,538.01
  6. Step 6: Final answer
    x = 573,567,010.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.