Home / 1,255,673,928.67-1,732,816,270.48-691,146,740.61

Finding the Fourth Proportional to 1,255,673,928.67, 1,732,816,270.48 and 691,146,740.61

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Solution

The fourth proportional to 1,255,673,928.67, 1,732,816,270.48 and 691,146,740.61 is: 953,774,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,673,928.67 : 1,732,816,270.48 = 691,146,740.61 : x
  2. Step 2: Convert to fraction form
    1,255,673,928.67/1,732,816,270.48 = 691,146,740.61/x
  3. Step 3: Cross multiply
    1,255,673,928.67x = 1,732,816,270.48 × 691,146,740.61
  4. Step 4: Simplify right side
    1,255,673,928.67x = 1,197,630,317,414,910,720
  5. Step 5: Solve for x
    x = 1,197,630,317,414,910,720/1,255,673,928.67
  6. Step 6: Final answer
    x = 953,774,933.18

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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.