Home / 306,195,008.30-459,292,512.45-220,101,566.30

Finding the Fourth Proportional to 306,195,008.30, 459,292,512.45 and 220,101,566.30

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Solution

The fourth proportional to 306,195,008.30, 459,292,512.45 and 220,101,566.30 is: 330,152,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,195,008.30 : 459,292,512.45 = 220,101,566.30 : x
  2. Step 2: Convert to fraction form
    306,195,008.30/459,292,512.45 = 220,101,566.30/x
  3. Step 3: Cross multiply
    306,195,008.30x = 459,292,512.45 × 220,101,566.30
  4. Step 4: Simplify right side
    306,195,008.30x = 101,091,001,380,107,248
  5. Step 5: Solve for x
    x = 101,091,001,380,107,248/306,195,008.30
  6. Step 6: Final answer
    x = 330,152,349.45

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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.