Home / 314,930,263.20-472,395,394.80-199,288,701.60

Finding the Fourth Proportional to 314,930,263.20, 472,395,394.80 and 199,288,701.60

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Solution

The fourth proportional to 314,930,263.20, 472,395,394.80 and 199,288,701.60 is: 298,933,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,263.20 : 472,395,394.80 = 199,288,701.60 : x
  2. Step 2: Convert to fraction form
    314,930,263.20/472,395,394.80 = 199,288,701.60/x
  3. Step 3: Cross multiply
    314,930,263.20x = 472,395,394.80 × 199,288,701.60
  4. Step 4: Simplify right side
    314,930,263.20x = 94,143,064,871,511,392
  5. Step 5: Solve for x
    x = 94,143,064,871,511,392/314,930,263.20
  6. Step 6: Final answer
    x = 298,933,052.40

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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.