Home / 1,126,279,780.12-1,689,422,819.70-350,038,947.16

Finding the Fourth Proportional to 1,126,279,780.12, 1,689,422,819.70 and 350,038,947.16

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Solution

The fourth proportional to 1,126,279,780.12, 1,689,422,819.70 and 350,038,947.16 is: 525,059,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,279,780.12 : 1,689,422,819.70 = 350,038,947.16 : x
  2. Step 2: Convert to fraction form
    1,126,279,780.12/1,689,422,819.70 = 350,038,947.16/x
  3. Step 3: Cross multiply
    1,126,279,780.12x = 1,689,422,819.70 × 350,038,947.16
  4. Step 4: Simplify right side
    1,126,279,780.12x = 591,363,785,115,866,624
  5. Step 5: Solve for x
    x = 591,363,785,115,866,624/1,126,279,780.12
  6. Step 6: Final answer
    x = 525,059,399.59

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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.