Home / 585,667,006.62-878,567,172.73-212,350,699.85

Finding the Fourth Proportional to 585,667,006.62, 878,567,172.73 and 212,350,699.85

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Solution

The fourth proportional to 585,667,006.62, 878,567,172.73 and 212,350,699.85 is: 318,550,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,667,006.62 : 878,567,172.73 = 212,350,699.85 : x
  2. Step 2: Convert to fraction form
    585,667,006.62/878,567,172.73 = 212,350,699.85/x
  3. Step 3: Cross multiply
    585,667,006.62x = 878,567,172.73 × 212,350,699.85
  4. Step 4: Simplify right side
    585,667,006.62x = 186,564,353,997,537,280
  5. Step 5: Solve for x
    x = 186,564,353,997,537,280/585,667,006.62
  6. Step 6: Final answer
    x = 318,550,220.33

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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.