Home / 918,054,564.30-1,377,081,846.45-550,722,545.10

Finding the Fourth Proportional to 918,054,564.30, 1,377,081,846.45 and 550,722,545.10

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Solution

The fourth proportional to 918,054,564.30, 1,377,081,846.45 and 550,722,545.10 is: 826,083,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,054,564.30 : 1,377,081,846.45 = 550,722,545.10 : x
  2. Step 2: Convert to fraction form
    918,054,564.30/1,377,081,846.45 = 550,722,545.10/x
  3. Step 3: Cross multiply
    918,054,564.30x = 1,377,081,846.45 × 550,722,545.10
  4. Step 4: Simplify right side
    918,054,564.30x = 758,390,019,287,951,488
  5. Step 5: Solve for x
    x = 758,390,019,287,951,488/918,054,564.30
  6. Step 6: Final answer
    x = 826,083,817.65

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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.