Home / 901,897,626.68-1,244,176,443.78-782,652,853.88

Finding the Fourth Proportional to 901,897,626.68, 1,244,176,443.78 and 782,652,853.88

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Solution

The fourth proportional to 901,897,626.68, 1,244,176,443.78 and 782,652,853.88 is: 1,079,677,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,897,626.68 : 1,244,176,443.78 = 782,652,853.88 : x
  2. Step 2: Convert to fraction form
    901,897,626.68/1,244,176,443.78 = 782,652,853.88/x
  3. Step 3: Cross multiply
    901,897,626.68x = 1,244,176,443.78 × 782,652,853.88
  4. Step 4: Simplify right side
    901,897,626.68x = 973,758,244,454,686,336
  5. Step 5: Solve for x
    x = 973,758,244,454,686,336/901,897,626.68
  6. Step 6: Final answer
    x = 1,079,677,133.69

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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.