Home / 859,248,110.70-1,288,872,166.05-314,380,680.30

Finding the Fourth Proportional to 859,248,110.70, 1,288,872,166.05 and 314,380,680.30

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Solution

The fourth proportional to 859,248,110.70, 1,288,872,166.05 and 314,380,680.30 is: 471,571,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,248,110.70 : 1,288,872,166.05 = 314,380,680.30 : x
  2. Step 2: Convert to fraction form
    859,248,110.70/1,288,872,166.05 = 314,380,680.30/x
  3. Step 3: Cross multiply
    859,248,110.70x = 1,288,872,166.05 × 314,380,680.30
  4. Step 4: Simplify right side
    859,248,110.70x = 405,196,508,382,533,568
  5. Step 5: Solve for x
    x = 405,196,508,382,533,568/859,248,110.70
  6. Step 6: Final answer
    x = 471,571,020.45

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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.