Home / 312,053,559.56-430,426,510.33-200,685,281.83

Finding the Fourth Proportional to 312,053,559.56, 430,426,510.33 and 200,685,281.83

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Solution

The fourth proportional to 312,053,559.56, 430,426,510.33 and 200,685,281.83 is: 276,812,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,053,559.56 : 430,426,510.33 = 200,685,281.83 : x
  2. Step 2: Convert to fraction form
    312,053,559.56/430,426,510.33 = 200,685,281.83/x
  3. Step 3: Cross multiply
    312,053,559.56x = 430,426,510.33 × 200,685,281.83
  4. Step 4: Simplify right side
    312,053,559.56x = 86,380,265,529,523,888
  5. Step 5: Solve for x
    x = 86,380,265,529,523,888/312,053,559.56
  6. Step 6: Final answer
    x = 276,812,306.36

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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.