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Finding the Fourth Proportional to 12,201,208,097.40, 18,301,812,146.10 and 12,201,208,097.40

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Solution

The fourth proportional to 12,201,208,097.40, 18,301,812,146.10 and 12,201,208,097.40 is: 18,301,812,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,208,097.40 : 18,301,812,146.10 = 12,201,208,097.40 : x
  2. Step 2: Convert to fraction form
    12,201,208,097.40/18,301,812,146.10 = 12,201,208,097.40/x
  3. Step 3: Cross multiply
    12,201,208,097.40x = 18,301,812,146.10 × 12,201,208,097.40
  4. Step 4: Simplify right side
    12,201,208,097.40x = 223,304,218,554,088,980,480
  5. Step 5: Solve for x
    x = 223,304,218,554,088,980,480/12,201,208,097.40
  6. Step 6: Final answer
    x = 18,301,812,146.10

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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.