Home / 279,938,822.40-419,908,233.60-267,845,587.20

Finding the Fourth Proportional to 279,938,822.40, 419,908,233.60 and 267,845,587.20

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Solution

The fourth proportional to 279,938,822.40, 419,908,233.60 and 267,845,587.20 is: 401,768,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,822.40 : 419,908,233.60 = 267,845,587.20 : x
  2. Step 2: Convert to fraction form
    279,938,822.40/419,908,233.60 = 267,845,587.20/x
  3. Step 3: Cross multiply
    279,938,822.40x = 419,908,233.60 × 267,845,587.20
  4. Step 4: Simplify right side
    279,938,822.40x = 112,470,567,398,706,768
  5. Step 5: Solve for x
    x = 112,470,567,398,706,768/279,938,822.40
  6. Step 6: Final answer
    x = 401,768,380.80

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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.