Home / 981,434,125.12-1,354,137,526.56-599,859,584.32

Finding the Fourth Proportional to 981,434,125.12, 1,354,137,526.56 and 599,859,584.32

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Solution

The fourth proportional to 981,434,125.12, 1,354,137,526.56 and 599,859,584.32 is: 827,658,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,434,125.12 : 1,354,137,526.56 = 599,859,584.32 : x
  2. Step 2: Convert to fraction form
    981,434,125.12/1,354,137,526.56 = 599,859,584.32/x
  3. Step 3: Cross multiply
    981,434,125.12x = 1,354,137,526.56 × 599,859,584.32
  4. Step 4: Simplify right side
    981,434,125.12x = 812,292,373,794,394,624
  5. Step 5: Solve for x
    x = 812,292,373,794,394,624/981,434,125.12
  6. Step 6: Final answer
    x = 827,658,579.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.