Home / 660,589,968.60-990,853,460.10-223,847,818.20

Finding the Fourth Proportional to 660,589,968.60, 990,853,460.10 and 223,847,818.20

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Solution

The fourth proportional to 660,589,968.60, 990,853,460.10 and 223,847,818.20 is: 335,761,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,589,968.60 : 990,853,460.10 = 223,847,818.20 : x
  2. Step 2: Convert to fraction form
    660,589,968.60/990,853,460.10 = 223,847,818.20/x
  3. Step 3: Cross multiply
    660,589,968.60x = 990,853,460.10 × 223,847,818.20
  4. Step 4: Simplify right side
    660,589,968.60x = 221,800,385,199,305,760
  5. Step 5: Solve for x
    x = 221,800,385,199,305,760/660,589,968.60
  6. Step 6: Final answer
    x = 335,761,055.64

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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.