Home / 330,355,577.60-495,533,366.40-288,265,450.40

Finding the Fourth Proportional to 330,355,577.60, 495,533,366.40 and 288,265,450.40

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Solution

The fourth proportional to 330,355,577.60, 495,533,366.40 and 288,265,450.40 is: 432,398,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,355,577.60 : 495,533,366.40 = 288,265,450.40 : x
  2. Step 2: Convert to fraction form
    330,355,577.60/495,533,366.40 = 288,265,450.40/x
  3. Step 3: Cross multiply
    330,355,577.60x = 495,533,366.40 × 288,265,450.40
  4. Step 4: Simplify right side
    330,355,577.60x = 142,845,149,053,524,208
  5. Step 5: Solve for x
    x = 142,845,149,053,524,208/330,355,577.60
  6. Step 6: Final answer
    x = 432,398,175.60

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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.