Home / 347,680,520,120.20-521,520,780,180.30-99,527,333,816.20

Finding the Fourth Proportional to 347,680,520,120.20, 521,520,780,180.30 and 99,527,333,816.20

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Solution

The fourth proportional to 347,680,520,120.20, 521,520,780,180.30 and 99,527,333,816.20 is: 149,291,000,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,520,120.20 : 521,520,780,180.30 = 99,527,333,816.20 : x
  2. Step 2: Convert to fraction form
    347,680,520,120.20/521,520,780,180.30 = 99,527,333,816.20/x
  3. Step 3: Cross multiply
    347,680,520,120.20x = 521,520,780,180.30 × 99,527,333,816.20
  4. Step 4: Simplify right side
    347,680,520,120.20x = 51,905,572,781,089,775,157,248
  5. Step 5: Solve for x
    x = 51,905,572,781,089,775,157,248/347,680,520,120.20
  6. Step 6: Final answer
    x = 149,291,000,724.30

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1.5x scale

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.