Home / 13,623,048,307.20-20,434,572,460.80-9,949,728,115.20

Finding the Fourth Proportional to 13,623,048,307.20, 20,434,572,460.80 and 9,949,728,115.20

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Solution

The fourth proportional to 13,623,048,307.20, 20,434,572,460.80 and 9,949,728,115.20 is: 14,924,592,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,048,307.20 : 20,434,572,460.80 = 9,949,728,115.20 : x
  2. Step 2: Convert to fraction form
    13,623,048,307.20/20,434,572,460.80 = 9,949,728,115.20/x
  3. Step 3: Cross multiply
    13,623,048,307.20x = 20,434,572,460.80 × 9,949,728,115.20
  4. Step 4: Simplify right side
    13,623,048,307.20x = 203,318,440,135,313,424,384
  5. Step 5: Solve for x
    x = 203,318,440,135,313,424,384/13,623,048,307.20
  6. Step 6: Final answer
    x = 14,924,592,172.80

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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.