Home / 930,954,289.38-1,285,943,251.68-690,038,654.34

Finding the Fourth Proportional to 930,954,289.38, 1,285,943,251.68 and 690,038,654.34

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Solution

The fourth proportional to 930,954,289.38, 1,285,943,251.68 and 690,038,654.34 is: 953,162,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,954,289.38 : 1,285,943,251.68 = 690,038,654.34 : x
  2. Step 2: Convert to fraction form
    930,954,289.38/1,285,943,251.68 = 690,038,654.34/x
  3. Step 3: Cross multiply
    930,954,289.38x = 1,285,943,251.68 × 690,038,654.34
  4. Step 4: Simplify right side
    930,954,289.38x = 887,350,550,946,871,296
  5. Step 5: Solve for x
    x = 887,350,550,946,871,296/930,954,289.38
  6. Step 6: Final answer
    x = 953,162,320.72

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Double scale
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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.