Home / 6,449,785,399.56-8,900,136,148.36-3,591,711,644.80

Finding the Fourth Proportional to 6,449,785,399.56, 8,900,136,148.36 and 3,591,711,644.80

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Solution

The fourth proportional to 6,449,785,399.56, 8,900,136,148.36 and 3,591,711,644.80 is: 4,956,245,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449,785,399.56 : 8,900,136,148.36 = 3,591,711,644.80 : x
  2. Step 2: Convert to fraction form
    6,449,785,399.56/8,900,136,148.36 = 3,591,711,644.80/x
  3. Step 3: Cross multiply
    6,449,785,399.56x = 8,900,136,148.36 × 3,591,711,644.80
  4. Step 4: Simplify right side
    6,449,785,399.56x = 31,966,722,644,370,034,688
  5. Step 5: Solve for x
    x = 31,966,722,644,370,034,688/6,449,785,399.56
  6. Step 6: Final answer
    x = 4,956,245,931.31

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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.