Home / 6,438,546,816.40-9,657,820,224.60-6,193,658,803.60

Finding the Fourth Proportional to 6,438,546,816.40, 9,657,820,224.60 and 6,193,658,803.60

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Solution

The fourth proportional to 6,438,546,816.40, 9,657,820,224.60 and 6,193,658,803.60 is: 9,290,488,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,546,816.40 : 9,657,820,224.60 = 6,193,658,803.60 : x
  2. Step 2: Convert to fraction form
    6,438,546,816.40/9,657,820,224.60 = 6,193,658,803.60/x
  3. Step 3: Cross multiply
    6,438,546,816.40x = 9,657,820,224.60 × 6,193,658,803.60
  4. Step 4: Simplify right side
    6,438,546,816.40x = 59,817,243,257,679,929,344
  5. Step 5: Solve for x
    x = 59,817,243,257,679,929,344/6,438,546,816.40
  6. Step 6: Final answer
    x = 9,290,488,205.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.