Home / 330,439,600.80-495,234,248.40-200,909,714.40

Finding the Fourth Proportional to 330,439,600.80, 495,234,248.40 and 200,909,714.40

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Solution

The fourth proportional to 330,439,600.80, 495,234,248.40 and 200,909,714.40 is: 301,106,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,439,600.80 : 495,234,248.40 = 200,909,714.40 : x
  2. Step 2: Convert to fraction form
    330,439,600.80/495,234,248.40 = 200,909,714.40/x
  3. Step 3: Cross multiply
    330,439,600.80x = 495,234,248.40 × 200,909,714.40
  4. Step 4: Simplify right side
    330,439,600.80x = 99,497,371,407,142,656
  5. Step 5: Solve for x
    x = 99,497,371,407,142,656/330,439,600.80
  6. Step 6: Final answer
    x = 301,106,075.56

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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.