Home / 1,692,644,293.80-2,538,966,440.70-449,072,353.80

Finding the Fourth Proportional to 1,692,644,293.80, 2,538,966,440.70 and 449,072,353.80

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Solution

The fourth proportional to 1,692,644,293.80, 2,538,966,440.70 and 449,072,353.80 is: 673,608,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,644,293.80 : 2,538,966,440.70 = 449,072,353.80 : x
  2. Step 2: Convert to fraction form
    1,692,644,293.80/2,538,966,440.70 = 449,072,353.80/x
  3. Step 3: Cross multiply
    1,692,644,293.80x = 2,538,966,440.70 × 449,072,353.80
  4. Step 4: Simplify right side
    1,692,644,293.80x = 1,140,179,635,744,357,120
  5. Step 5: Solve for x
    x = 1,140,179,635,744,357,120/1,692,644,293.80
  6. Step 6: Final answer
    x = 673,608,530.70

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Double scale
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Similar ratio
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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.