Home / 1,342,263,687.12-1,852,381,298.78-747,548,076.10

Finding the Fourth Proportional to 1,342,263,687.12, 1,852,381,298.78 and 747,548,076.10

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Solution

The fourth proportional to 1,342,263,687.12, 1,852,381,298.78 and 747,548,076.10 is: 1,031,648,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,263,687.12 : 1,852,381,298.78 = 747,548,076.10 : x
  2. Step 2: Convert to fraction form
    1,342,263,687.12/1,852,381,298.78 = 747,548,076.10/x
  3. Step 3: Cross multiply
    1,342,263,687.12x = 1,852,381,298.78 × 747,548,076.10
  4. Step 4: Simplify right side
    1,342,263,687.12x = 1,384,744,076,106,608,384
  5. Step 5: Solve for x
    x = 1,384,744,076,106,608,384/1,342,263,687.12
  6. Step 6: Final answer
    x = 1,031,648,318.73

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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.