Home / 1,979,509,987.16-2,731,725,572.70-1,087,494,498.62

Finding the Fourth Proportional to 1,979,509,987.16, 2,731,725,572.70 and 1,087,494,498.62

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Solution

The fourth proportional to 1,979,509,987.16, 2,731,725,572.70 and 1,087,494,498.62 is: 1,500,743,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,509,987.16 : 2,731,725,572.70 = 1,087,494,498.62 : x
  2. Step 2: Convert to fraction form
    1,979,509,987.16/2,731,725,572.70 = 1,087,494,498.62/x
  3. Step 3: Cross multiply
    1,979,509,987.16x = 2,731,725,572.70 × 1,087,494,498.62
  4. Step 4: Simplify right side
    1,979,509,987.16x = 2,970,736,532,050,818,560
  5. Step 5: Solve for x
    x = 2,970,736,532,050,818,560/1,979,509,987.16
  6. Step 6: Final answer
    x = 1,500,743,391.71

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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.