Home / 1,248,563,886.96-1,722,995,616.60-691,645,211.76

Finding the Fourth Proportional to 1,248,563,886.96, 1,722,995,616.60 and 691,645,211.76

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Solution

The fourth proportional to 1,248,563,886.96, 1,722,995,616.60 and 691,645,211.76 is: 954,457,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,563,886.96 : 1,722,995,616.60 = 691,645,211.76 : x
  2. Step 2: Convert to fraction form
    1,248,563,886.96/1,722,995,616.60 = 691,645,211.76/x
  3. Step 3: Cross multiply
    1,248,563,886.96x = 1,722,995,616.60 × 691,645,211.76
  4. Step 4: Simplify right side
    1,248,563,886.96x = 1,191,701,668,104,858,624
  5. Step 5: Solve for x
    x = 1,191,701,668,104,858,624/1,248,563,886.96
  6. Step 6: Final answer
    x = 954,457,902.04

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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.