Home / 12,819,967,822.28-17,692,537,059.86-8,066,318,422.25

Finding the Fourth Proportional to 12,819,967,822.28, 17,692,537,059.86 and 8,066,318,422.25

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Solution

The fourth proportional to 12,819,967,822.28, 17,692,537,059.86 and 8,066,318,422.25 is: 11,132,136,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,967,822.28 : 17,692,537,059.86 = 8,066,318,422.25 : x
  2. Step 2: Convert to fraction form
    12,819,967,822.28/17,692,537,059.86 = 8,066,318,422.25/x
  3. Step 3: Cross multiply
    12,819,967,822.28x = 17,692,537,059.86 × 8,066,318,422.25
  4. Step 4: Simplify right side
    12,819,967,822.28x = 142,713,637,622,293,463,040
  5. Step 5: Solve for x
    x = 142,713,637,622,293,463,040/12,819,967,822.28
  6. Step 6: Final answer
    x = 11,132,136,960.14

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1.5x scale

Why These Related Problems?

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