Home / 838,873,864.26-1,157,655,010.68-462,531,180.24

Finding the Fourth Proportional to 838,873,864.26, 1,157,655,010.68 and 462,531,180.24

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Solution

The fourth proportional to 838,873,864.26, 1,157,655,010.68 and 462,531,180.24 is: 638,298,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,873,864.26 : 1,157,655,010.68 = 462,531,180.24 : x
  2. Step 2: Convert to fraction form
    838,873,864.26/1,157,655,010.68 = 462,531,180.24/x
  3. Step 3: Cross multiply
    838,873,864.26x = 1,157,655,010.68 × 462,531,180.24
  4. Step 4: Simplify right side
    838,873,864.26x = 535,451,538,400,570,240
  5. Step 5: Solve for x
    x = 535,451,538,400,570,240/838,873,864.26
  6. Step 6: Final answer
    x = 638,298,034.08

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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.