Home / 1,644,154,290.45-2,466,231,435.68-772,458,190.20

Finding the Fourth Proportional to 1,644,154,290.45, 2,466,231,435.68 and 772,458,190.20

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Solution

The fourth proportional to 1,644,154,290.45, 2,466,231,435.68 and 772,458,190.20 is: 1,158,687,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,154,290.45 : 2,466,231,435.68 = 772,458,190.20 : x
  2. Step 2: Convert to fraction form
    1,644,154,290.45/2,466,231,435.68 = 772,458,190.20/x
  3. Step 3: Cross multiply
    1,644,154,290.45x = 2,466,231,435.68 × 772,458,190.20
  4. Step 4: Simplify right side
    1,644,154,290.45x = 1,905,060,671,415,858,432
  5. Step 5: Solve for x
    x = 1,905,060,671,415,858,432/1,644,154,290.45
  6. Step 6: Final answer
    x = 1,158,687,285.30

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Double scale
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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.