Home / 12,131,869,963.40-18,197,804,945.10-10,754,374,891.40

Finding the Fourth Proportional to 12,131,869,963.40, 18,197,804,945.10 and 10,754,374,891.40

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Solution

The fourth proportional to 12,131,869,963.40, 18,197,804,945.10 and 10,754,374,891.40 is: 16,131,562,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,869,963.40 : 18,197,804,945.10 = 10,754,374,891.40 : x
  2. Step 2: Convert to fraction form
    12,131,869,963.40/18,197,804,945.10 = 10,754,374,891.40/x
  3. Step 3: Cross multiply
    12,131,869,963.40x = 18,197,804,945.10 × 10,754,374,891.40
  4. Step 4: Simplify right side
    12,131,869,963.40x = 195,706,016,580,178,182,144
  5. Step 5: Solve for x
    x = 195,706,016,580,178,182,144/12,131,869,963.40
  6. Step 6: Final answer
    x = 16,131,562,337.10

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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.