Home / 387,253,855.74-581,052,320.67-202,977,537.72

Finding the Fourth Proportional to 387,253,855.74, 581,052,320.67 and 202,977,537.72

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Solution

The fourth proportional to 387,253,855.74, 581,052,320.67 and 202,977,537.72 is: 304,556,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,253,855.74 : 581,052,320.67 = 202,977,537.72 : x
  2. Step 2: Convert to fraction form
    387,253,855.74/581,052,320.67 = 202,977,537.72/x
  3. Step 3: Cross multiply
    387,253,855.74x = 581,052,320.67 × 202,977,537.72
  4. Step 4: Simplify right side
    387,253,855.74x = 117,940,569,336,088,448
  5. Step 5: Solve for x
    x = 117,940,569,336,088,448/387,253,855.74
  6. Step 6: Final answer
    x = 304,556,217.03

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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.