Home / 976,704,890.40-1,465,057,335.60-845,190,957.60

Finding the Fourth Proportional to 976,704,890.40, 1,465,057,335.60 and 845,190,957.60

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Solution

The fourth proportional to 976,704,890.40, 1,465,057,335.60 and 845,190,957.60 is: 1,267,786,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,704,890.40 : 1,465,057,335.60 = 845,190,957.60 : x
  2. Step 2: Convert to fraction form
    976,704,890.40/1,465,057,335.60 = 845,190,957.60/x
  3. Step 3: Cross multiply
    976,704,890.40x = 1,465,057,335.60 × 845,190,957.60
  4. Step 4: Simplify right side
    976,704,890.40x = 1,238,253,212,414,668,544
  5. Step 5: Solve for x
    x = 1,238,253,212,414,668,544/976,704,890.40
  6. Step 6: Final answer
    x = 1,267,786,436.40

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Double scale
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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.