Home / 1,444,467,902.60-2,165,266,963.20-666,757,143.20

Finding the Fourth Proportional to 1,444,467,902.60, 2,165,266,963.20 and 666,757,143.20

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Solution

The fourth proportional to 1,444,467,902.60, 2,165,266,963.20 and 666,757,143.20 is: 999,473,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,467,902.60 : 2,165,266,963.20 = 666,757,143.20 : x
  2. Step 2: Convert to fraction form
    1,444,467,902.60/2,165,266,963.20 = 666,757,143.20/x
  3. Step 3: Cross multiply
    1,444,467,902.60x = 2,165,266,963.20 × 666,757,143.20
  4. Step 4: Simplify right side
    1,444,467,902.60x = 1,443,707,214,648,571,392
  5. Step 5: Solve for x
    x = 1,443,707,214,648,571,392/1,444,467,902.60
  6. Step 6: Final answer
    x = 999,473,378.43

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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.