Home / 2,829,307,067.80-4,243,960,601.70-1,279,625,111.80

Finding the Fourth Proportional to 2,829,307,067.80, 4,243,960,601.70 and 1,279,625,111.80

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Solution

The fourth proportional to 2,829,307,067.80, 4,243,960,601.70 and 1,279,625,111.80 is: 1,919,437,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,307,067.80 : 4,243,960,601.70 = 1,279,625,111.80 : x
  2. Step 2: Convert to fraction form
    2,829,307,067.80/4,243,960,601.70 = 1,279,625,111.80/x
  3. Step 3: Cross multiply
    2,829,307,067.80x = 4,243,960,601.70 × 1,279,625,111.80
  4. Step 4: Simplify right side
    2,829,307,067.80x = 5,430,678,559,425,157,120
  5. Step 5: Solve for x
    x = 5,430,678,559,425,157,120/2,829,307,067.80
  6. Step 6: Final answer
    x = 1,919,437,667.70

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Double scale
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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.