Home / 5,690,448,843.43-7,852,912,374.69-3,115,429,620.79

Finding the Fourth Proportional to 5,690,448,843.43, 7,852,912,374.69 and 3,115,429,620.79

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Solution

The fourth proportional to 5,690,448,843.43, 7,852,912,374.69 and 3,115,429,620.79 is: 4,299,343,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690,448,843.43 : 7,852,912,374.69 = 3,115,429,620.79 : x
  2. Step 2: Convert to fraction form
    5,690,448,843.43/7,852,912,374.69 = 3,115,429,620.79/x
  3. Step 3: Cross multiply
    5,690,448,843.43x = 7,852,912,374.69 × 3,115,429,620.79
  4. Step 4: Simplify right side
    5,690,448,843.43x = 24,465,195,821,577,564,160
  5. Step 5: Solve for x
    x = 24,465,195,821,577,564,160/5,690,448,843.43
  6. Step 6: Final answer
    x = 4,299,343,776.69

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Double scale
Find fourth proportional to 5,690,448,844.43, 7,852,912,376.07 and 3,115,429,621.79
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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.