Home / 347,680,519,272.20-521,520,778,908.30-99,527,332,968.20

Finding the Fourth Proportional to 347,680,519,272.20, 521,520,778,908.30 and 99,527,332,968.20

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Solution

The fourth proportional to 347,680,519,272.20, 521,520,778,908.30 and 99,527,332,968.20 is: 149,290,999,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,519,272.20 : 521,520,778,908.30 = 99,527,332,968.20 : x
  2. Step 2: Convert to fraction form
    347,680,519,272.20/521,520,778,908.30 = 99,527,332,968.20/x
  3. Step 3: Cross multiply
    347,680,519,272.20x = 521,520,778,908.30 × 99,527,332,968.20
  4. Step 4: Simplify right side
    347,680,519,272.20x = 51,905,572,212,241,388,797,952
  5. Step 5: Solve for x
    x = 51,905,572,212,241,388,797,952/347,680,519,272.20
  6. Step 6: Final answer
    x = 149,290,999,452.30

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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.