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Finding the Fourth Proportional to 12,924,945,007.20, 19,387,417,510.80 and 12,924,945,007.20

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Solution

The fourth proportional to 12,924,945,007.20, 19,387,417,510.80 and 12,924,945,007.20 is: 19,387,417,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924,945,007.20 : 19,387,417,510.80 = 12,924,945,007.20 : x
  2. Step 2: Convert to fraction form
    12,924,945,007.20/19,387,417,510.80 = 12,924,945,007.20/x
  3. Step 3: Cross multiply
    12,924,945,007.20x = 19,387,417,510.80 × 12,924,945,007.20
  4. Step 4: Simplify right side
    12,924,945,007.20x = 250,581,305,158,716,325,888
  5. Step 5: Solve for x
    x = 250,581,305,158,716,325,888/12,924,945,007.20
  6. Step 6: Final answer
    x = 19,387,417,510.80

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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.