Home / 18,704,759,141.63-25,812,361,979.13-10,130,972,496.18

Finding the Fourth Proportional to 18,704,759,141.63, 25,812,361,979.13 and 10,130,972,496.18

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Solution

The fourth proportional to 18,704,759,141.63, 25,812,361,979.13 and 10,130,972,496.18 is: 13,980,630,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,759,141.63 : 25,812,361,979.13 = 10,130,972,496.18 : x
  2. Step 2: Convert to fraction form
    18,704,759,141.63/25,812,361,979.13 = 10,130,972,496.18/x
  3. Step 3: Cross multiply
    18,704,759,141.63x = 25,812,361,979.13 × 10,130,972,496.18
  4. Step 4: Simplify right side
    18,704,759,141.63x = 261,504,329,272,008,409,088
  5. Step 5: Solve for x
    x = 261,504,329,272,008,409,088/18,704,759,141.63
  6. Step 6: Final answer
    x = 13,980,630,666.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.