Home / 2,376,567,970.39-3,279,499,220.70-1,319,212,661.55

Finding the Fourth Proportional to 2,376,567,970.39, 3,279,499,220.70 and 1,319,212,661.55

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Solution

The fourth proportional to 2,376,567,970.39, 3,279,499,220.70 and 1,319,212,661.55 is: 1,820,422,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,567,970.39 : 3,279,499,220.70 = 1,319,212,661.55 : x
  2. Step 2: Convert to fraction form
    2,376,567,970.39/3,279,499,220.70 = 1,319,212,661.55/x
  3. Step 3: Cross multiply
    2,376,567,970.39x = 3,279,499,220.70 × 1,319,212,661.55
  4. Step 4: Simplify right side
    2,376,567,970.39x = 4,326,356,895,490,797,568
  5. Step 5: Solve for x
    x = 4,326,356,895,490,797,568/2,376,567,970.39
  6. Step 6: Final answer
    x = 1,820,422,116.85

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1.5x scale

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.