Home / 560,126,906.40-840,159,987.84-171,949,802.88

Finding the Fourth Proportional to 560,126,906.40, 840,159,987.84 and 171,949,802.88

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Solution

The fourth proportional to 560,126,906.40, 840,159,987.84 and 171,949,802.88 is: 257,915,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,126,906.40 : 840,159,987.84 = 171,949,802.88 : x
  2. Step 2: Convert to fraction form
    560,126,906.40/840,159,987.84 = 171,949,802.88/x
  3. Step 3: Cross multiply
    560,126,906.40x = 840,159,987.84 × 171,949,802.88
  4. Step 4: Simplify right side
    560,126,906.40x = 144,465,344,296,751,200
  5. Step 5: Solve for x
    x = 144,465,344,296,751,200/560,126,906.40
  6. Step 6: Final answer
    x = 257,915,380.69

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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.