Home / 888,053,999.10-1,332,080,998.65-612,554,984.70

Finding the Fourth Proportional to 888,053,999.10, 1,332,080,998.65 and 612,554,984.70

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Solution

The fourth proportional to 888,053,999.10, 1,332,080,998.65 and 612,554,984.70 is: 918,832,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,053,999.10 : 1,332,080,998.65 = 612,554,984.70 : x
  2. Step 2: Convert to fraction form
    888,053,999.10/1,332,080,998.65 = 612,554,984.70/x
  3. Step 3: Cross multiply
    888,053,999.10x = 1,332,080,998.65 × 612,554,984.70
  4. Step 4: Simplify right side
    888,053,999.10x = 815,972,855,747,211,648
  5. Step 5: Solve for x
    x = 815,972,855,747,211,648/888,053,999.10
  6. Step 6: Final answer
    x = 918,832,477.05

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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.