Home / 1,306,852,794.78-1,803,446,872.34-712,135,439.96

Finding the Fourth Proportional to 1,306,852,794.78, 1,803,446,872.34 and 712,135,439.96

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Solution

The fourth proportional to 1,306,852,794.78, 1,803,446,872.34 and 712,135,439.96 is: 982,741,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,852,794.78 : 1,803,446,872.34 = 712,135,439.96 : x
  2. Step 2: Convert to fraction form
    1,306,852,794.78/1,803,446,872.34 = 712,135,439.96/x
  3. Step 3: Cross multiply
    1,306,852,794.78x = 1,803,446,872.34 × 712,135,439.96
  4. Step 4: Simplify right side
    1,306,852,794.78x = 1,284,298,431,875,853,312
  5. Step 5: Solve for x
    x = 1,284,298,431,875,853,312/1,306,852,794.78
  6. Step 6: Final answer
    x = 982,741,466.38

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Double scale
Find fourth proportional to 1,306,852,795.78, 1,803,446,873.71 and 712,135,440.96
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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.