Home / 374,137,963.20-561,206,944.80-306,113,515.20

Finding the Fourth Proportional to 374,137,963.20, 561,206,944.80 and 306,113,515.20

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Solution

The fourth proportional to 374,137,963.20, 561,206,944.80 and 306,113,515.20 is: 459,170,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,137,963.20 : 561,206,944.80 = 306,113,515.20 : x
  2. Step 2: Convert to fraction form
    374,137,963.20/561,206,944.80 = 306,113,515.20/x
  3. Step 3: Cross multiply
    374,137,963.20x = 561,206,944.80 × 306,113,515.20
  4. Step 4: Simplify right side
    374,137,963.20x = 171,793,030,627,380,352
  5. Step 5: Solve for x
    x = 171,793,030,627,380,352/374,137,963.20
  6. Step 6: Final answer
    x = 459,170,272.80

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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.