Home / 1,728,205,246.72-2,592,314,595.56-418,105,197.12

Finding the Fourth Proportional to 1,728,205,246.72, 2,592,314,595.56 and 418,105,197.12

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Solution

The fourth proportional to 1,728,205,246.72, 2,592,314,595.56 and 418,105,197.12 is: 627,159,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,205,246.72 : 2,592,314,595.56 = 418,105,197.12 : x
  2. Step 2: Convert to fraction form
    1,728,205,246.72/2,592,314,595.56 = 418,105,197.12/x
  3. Step 3: Cross multiply
    1,728,205,246.72x = 2,592,314,595.56 × 418,105,197.12
  4. Step 4: Simplify right side
    1,728,205,246.72x = 1,083,860,204,973,666,816
  5. Step 5: Solve for x
    x = 1,083,860,204,973,666,816/1,728,205,246.72
  6. Step 6: Final answer
    x = 627,159,422.78

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Double scale
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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.