Home / 330,335,438.40-495,503,157.60-114,924,686.40

Finding the Fourth Proportional to 330,335,438.40, 495,503,157.60 and 114,924,686.40

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Solution

The fourth proportional to 330,335,438.40, 495,503,157.60 and 114,924,686.40 is: 172,387,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,335,438.40 : 495,503,157.60 = 114,924,686.40 : x
  2. Step 2: Convert to fraction form
    330,335,438.40/495,503,157.60 = 114,924,686.40/x
  3. Step 3: Cross multiply
    330,335,438.40x = 495,503,157.60 × 114,924,686.40
  4. Step 4: Simplify right side
    330,335,438.40x = 56,945,544,997,389,784
  5. Step 5: Solve for x
    x = 56,945,544,997,389,784/330,335,438.40
  6. Step 6: Final answer
    x = 172,387,029.60

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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.