Home / 12,936,402,484.20-19,404,605,588.70-3,121,750,132.20

Finding the Fourth Proportional to 12,936,402,484.20, 19,404,605,588.70 and 3,121,750,132.20

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Solution

The fourth proportional to 12,936,402,484.20, 19,404,605,588.70 and 3,121,750,132.20 is: 4,682,625,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,402,484.20 : 19,404,605,588.70 = 3,121,750,132.20 : x
  2. Step 2: Convert to fraction form
    12,936,402,484.20/19,404,605,588.70 = 3,121,750,132.20/x
  3. Step 3: Cross multiply
    12,936,402,484.20x = 19,404,605,588.70 × 3,121,750,132.20
  4. Step 4: Simplify right side
    12,936,402,484.20x = 60,576,330,061,813,080,064
  5. Step 5: Solve for x
    x = 60,576,330,061,813,080,064/12,936,402,484.20
  6. Step 6: Final answer
    x = 4,682,625,647.73

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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.