Home / 838,873,865.26-1,157,655,012.06-462,531,181.24

Finding the Fourth Proportional to 838,873,865.26, 1,157,655,012.06 and 462,531,181.24

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Solution

The fourth proportional to 838,873,865.26, 1,157,655,012.06 and 462,531,181.24 is: 638,298,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,873,865.26 : 1,157,655,012.06 = 462,531,181.24 : x
  2. Step 2: Convert to fraction form
    838,873,865.26/1,157,655,012.06 = 462,531,181.24/x
  3. Step 3: Cross multiply
    838,873,865.26x = 1,157,655,012.06 × 462,531,181.24
  4. Step 4: Simplify right side
    838,873,865.26x = 535,451,540,196,518,208
  5. Step 5: Solve for x
    x = 535,451,540,196,518,208/838,873,865.26
  6. Step 6: Final answer
    x = 638,298,035.46

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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.