Home / 2,138,434,894.35-2,950,987,481.28-1,185,810,368.13

Finding the Fourth Proportional to 2,138,434,894.35, 2,950,987,481.28 and 1,185,810,368.13

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Solution

The fourth proportional to 2,138,434,894.35, 2,950,987,481.28 and 1,185,810,368.13 is: 1,636,389,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,434,894.35 : 2,950,987,481.28 = 1,185,810,368.13 : x
  2. Step 2: Convert to fraction form
    2,138,434,894.35/2,950,987,481.28 = 1,185,810,368.13/x
  3. Step 3: Cross multiply
    2,138,434,894.35x = 2,950,987,481.28 × 1,185,810,368.13
  4. Step 4: Simplify right side
    2,138,434,894.35x = 3,499,311,551,523,658,752
  5. Step 5: Solve for x
    x = 3,499,311,551,523,658,752/2,138,434,894.35
  6. Step 6: Final answer
    x = 1,636,389,099.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.