Home / 12,597,142,463.10-18,895,713,694.65-3,871,873,266.30

Finding the Fourth Proportional to 12,597,142,463.10, 18,895,713,694.65 and 3,871,873,266.30

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Solution

The fourth proportional to 12,597,142,463.10, 18,895,713,694.65 and 3,871,873,266.30 is: 5,807,809,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,142,463.10 : 18,895,713,694.65 = 3,871,873,266.30 : x
  2. Step 2: Convert to fraction form
    12,597,142,463.10/18,895,713,694.65 = 3,871,873,266.30/x
  3. Step 3: Cross multiply
    12,597,142,463.10x = 18,895,713,694.65 × 3,871,873,266.30
  4. Step 4: Simplify right side
    12,597,142,463.10x = 73,161,808,701,974,142,976
  5. Step 5: Solve for x
    x = 73,161,808,701,974,142,976/12,597,142,463.10
  6. Step 6: Final answer
    x = 5,807,809,899.45

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Double scale
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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.