Home / 1,487,712,198.96-2,055,874,313.72-1,115,788,529.52

Finding the Fourth Proportional to 1,487,712,198.96, 2,055,874,313.72 and 1,115,788,529.52

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Solution

The fourth proportional to 1,487,712,198.96, 2,055,874,313.72 and 1,115,788,529.52 is: 1,541,911,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,712,198.96 : 2,055,874,313.72 = 1,115,788,529.52 : x
  2. Step 2: Convert to fraction form
    1,487,712,198.96/2,055,874,313.72 = 1,115,788,529.52/x
  3. Step 3: Cross multiply
    1,487,712,198.96x = 2,055,874,313.72 × 1,115,788,529.52
  4. Step 4: Simplify right side
    1,487,712,198.96x = 2,293,920,977,377,998,848
  5. Step 5: Solve for x
    x = 2,293,920,977,377,998,848/1,487,712,198.96
  6. Step 6: Final answer
    x = 1,541,911,788.44

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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.