Home / 458,216,968.88-686,418,456.36-400,774,101.68

Finding the Fourth Proportional to 458,216,968.88, 686,418,456.36 and 400,774,101.68

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Solution

The fourth proportional to 458,216,968.88, 686,418,456.36 and 400,774,101.68 is: 600,367,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,216,968.88 : 686,418,456.36 = 400,774,101.68 : x
  2. Step 2: Convert to fraction form
    458,216,968.88/686,418,456.36 = 400,774,101.68/x
  3. Step 3: Cross multiply
    458,216,968.88x = 686,418,456.36 × 400,774,101.68
  4. Step 4: Simplify right side
    458,216,968.88x = 275,098,740,224,251,296
  5. Step 5: Solve for x
    x = 275,098,740,224,251,296/458,216,968.88
  6. Step 6: Final answer
    x = 600,367,858.26

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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.