Home / 12,134,460,099.40-18,174,480,369.90-9,957,677,763.40

Finding the Fourth Proportional to 12,134,460,099.40, 18,174,480,369.90 and 9,957,677,763.40

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Solution

The fourth proportional to 12,134,460,099.40, 18,174,480,369.90 and 9,957,677,763.40 is: 14,914,187,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,460,099.40 : 18,174,480,369.90 = 9,957,677,763.40 : x
  2. Step 2: Convert to fraction form
    12,134,460,099.40/18,174,480,369.90 = 9,957,677,763.40/x
  3. Step 3: Cross multiply
    12,134,460,099.40x = 18,174,480,369.90 × 9,957,677,763.40
  4. Step 4: Simplify right side
    12,134,460,099.40x = 180,975,619,040,703,053,824
  5. Step 5: Solve for x
    x = 180,975,619,040,703,053,824/12,134,460,099.40
  6. Step 6: Final answer
    x = 14,914,187,986.79

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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.