Home / 314,933,638.80-472,400,458.20-199,575,512.40

Finding the Fourth Proportional to 314,933,638.80, 472,400,458.20 and 199,575,512.40

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Solution

The fourth proportional to 314,933,638.80, 472,400,458.20 and 199,575,512.40 is: 299,363,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,933,638.80 : 472,400,458.20 = 199,575,512.40 : x
  2. Step 2: Convert to fraction form
    314,933,638.80/472,400,458.20 = 199,575,512.40/x
  3. Step 3: Cross multiply
    314,933,638.80x = 472,400,458.20 × 199,575,512.40
  4. Step 4: Simplify right side
    314,933,638.80x = 94,279,563,503,259,776
  5. Step 5: Solve for x
    x = 94,279,563,503,259,776/314,933,638.80
  6. Step 6: Final answer
    x = 299,363,268.60

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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.