Home / 864,561,008.76-1,193,079,949.38-468,080,828.52

Finding the Fourth Proportional to 864,561,008.76, 1,193,079,949.38 and 468,080,828.52

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Solution

The fourth proportional to 864,561,008.76, 1,193,079,949.38 and 468,080,828.52 is: 645,943,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,561,008.76 : 1,193,079,949.38 = 468,080,828.52 : x
  2. Step 2: Convert to fraction form
    864,561,008.76/1,193,079,949.38 = 468,080,828.52/x
  3. Step 3: Cross multiply
    864,561,008.76x = 1,193,079,949.38 × 468,080,828.52
  4. Step 4: Simplify right side
    864,561,008.76x = 558,457,851,196,390,080
  5. Step 5: Solve for x
    x = 558,457,851,196,390,080/864,561,008.76
  6. Step 6: Final answer
    x = 645,943,832.23

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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.