Home / 1,272,189,250.20-1,908,301,500.90-838,267,714.20

Finding the Fourth Proportional to 1,272,189,250.20, 1,908,301,500.90 and 838,267,714.20

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Solution

The fourth proportional to 1,272,189,250.20, 1,908,301,500.90 and 838,267,714.20 is: 1,257,413,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,189,250.20 : 1,908,301,500.90 = 838,267,714.20 : x
  2. Step 2: Convert to fraction form
    1,272,189,250.20/1,908,301,500.90 = 838,267,714.20/x
  3. Step 3: Cross multiply
    1,272,189,250.20x = 1,908,301,500.90 × 838,267,714.20
  4. Step 4: Simplify right side
    1,272,189,250.20x = 1,599,667,537,163,872,512
  5. Step 5: Solve for x
    x = 1,599,667,537,163,872,512/1,272,189,250.20
  6. Step 6: Final answer
    x = 1,257,413,185.12

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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.