Home / 288,923,793.90-433,385,690.85-266,815,848.30

Finding the Fourth Proportional to 288,923,793.90, 433,385,690.85 and 266,815,848.30

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Solution

The fourth proportional to 288,923,793.90, 433,385,690.85 and 266,815,848.30 is: 400,223,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,923,793.90 : 433,385,690.85 = 266,815,848.30 : x
  2. Step 2: Convert to fraction form
    288,923,793.90/433,385,690.85 = 266,815,848.30/x
  3. Step 3: Cross multiply
    288,923,793.90x = 433,385,690.85 × 266,815,848.30
  4. Step 4: Simplify right side
    288,923,793.90x = 115,634,170,745,224,304
  5. Step 5: Solve for x
    x = 115,634,170,745,224,304/288,923,793.90
  6. Step 6: Final answer
    x = 400,223,772.45

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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.