Home / 12,105,667,562.81-16,709,144,002.12-7,026,667,791.48

Finding the Fourth Proportional to 12,105,667,562.81, 16,709,144,002.12 and 7,026,667,791.48

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Solution

The fourth proportional to 12,105,667,562.81, 16,709,144,002.12 and 7,026,667,791.48 is: 9,698,730,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,667,562.81 : 16,709,144,002.12 = 7,026,667,791.48 : x
  2. Step 2: Convert to fraction form
    12,105,667,562.81/16,709,144,002.12 = 7,026,667,791.48/x
  3. Step 3: Cross multiply
    12,105,667,562.81x = 16,709,144,002.12 × 7,026,667,791.48
  4. Step 4: Simplify right side
    12,105,667,562.81x = 117,409,603,982,911,864,832
  5. Step 5: Solve for x
    x = 117,409,603,982,911,864,832/12,105,667,562.81
  6. Step 6: Final answer
    x = 9,698,730,233.07

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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.