Home / 5,690,448,840.43-7,852,912,370.55-3,115,429,617.79

Finding the Fourth Proportional to 5,690,448,840.43, 7,852,912,370.55 and 3,115,429,617.79

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Solution

The fourth proportional to 5,690,448,840.43, 7,852,912,370.55 and 3,115,429,617.79 is: 4,299,343,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690,448,840.43 : 7,852,912,370.55 = 3,115,429,617.79 : x
  2. Step 2: Convert to fraction form
    5,690,448,840.43/7,852,912,370.55 = 3,115,429,617.79/x
  3. Step 3: Cross multiply
    5,690,448,840.43x = 7,852,912,370.55 × 3,115,429,617.79
  4. Step 4: Simplify right side
    5,690,448,840.43x = 24,465,195,785,120,948,224
  5. Step 5: Solve for x
    x = 24,465,195,785,120,948,224/5,690,448,840.43
  6. Step 6: Final answer
    x = 4,299,343,772.55

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Double scale
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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.