Home / 1,061,143,108.78-1,591,731,160.67-314,234,436.35

Finding the Fourth Proportional to 1,061,143,108.78, 1,591,731,160.67 and 314,234,436.35

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Solution

The fourth proportional to 1,061,143,108.78, 1,591,731,160.67 and 314,234,436.35 is: 471,356,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,143,108.78 : 1,591,731,160.67 = 314,234,436.35 : x
  2. Step 2: Convert to fraction form
    1,061,143,108.78/1,591,731,160.67 = 314,234,436.35/x
  3. Step 3: Cross multiply
    1,061,143,108.78x = 1,591,731,160.67 × 314,234,436.35
  4. Step 4: Simplify right side
    1,061,143,108.78x = 500,176,744,091,444,736
  5. Step 5: Solve for x
    x = 500,176,744,091,444,736/1,061,143,108.78
  6. Step 6: Final answer
    x = 471,356,539.90

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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.