Home / 18,569,122,642.80-27,853,683,964.20-12,691,810,335.60

Finding the Fourth Proportional to 18,569,122,642.80, 27,853,683,964.20 and 12,691,810,335.60

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Solution

The fourth proportional to 18,569,122,642.80, 27,853,683,964.20 and 12,691,810,335.60 is: 19,037,715,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,122,642.80 : 27,853,683,964.20 = 12,691,810,335.60 : x
  2. Step 2: Convert to fraction form
    18,569,122,642.80/27,853,683,964.20 = 12,691,810,335.60/x
  3. Step 3: Cross multiply
    18,569,122,642.80x = 27,853,683,964.20 × 12,691,810,335.60
  4. Step 4: Simplify right side
    18,569,122,642.80x = 353,513,674,021,369,544,704
  5. Step 5: Solve for x
    x = 353,513,674,021,369,544,704/18,569,122,642.80
  6. Step 6: Final answer
    x = 19,037,715,503.40

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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.