Home / 706,555,472.96-1,059,948,334.02-208,616,321.54

Finding the Fourth Proportional to 706,555,472.96, 1,059,948,334.02 and 208,616,321.54

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Solution

The fourth proportional to 706,555,472.96, 1,059,948,334.02 and 208,616,321.54 is: 312,958,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,555,472.96 : 1,059,948,334.02 = 208,616,321.54 : x
  2. Step 2: Convert to fraction form
    706,555,472.96/1,059,948,334.02 = 208,616,321.54/x
  3. Step 3: Cross multiply
    706,555,472.96x = 1,059,948,334.02 × 208,616,321.54
  4. Step 4: Simplify right side
    706,555,472.96x = 221,122,522,465,703,616
  5. Step 5: Solve for x
    x = 221,122,522,465,703,616/706,555,472.96
  6. Step 6: Final answer
    x = 312,958,473.79

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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.