Home / 1,976,344,453.44-2,964,395,387.93-811,782,733.05

Finding the Fourth Proportional to 1,976,344,453.44, 2,964,395,387.93 and 811,782,733.05

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Solution

The fourth proportional to 1,976,344,453.44, 2,964,395,387.93 and 811,782,733.05 is: 1,217,624,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,344,453.44 : 2,964,395,387.93 = 811,782,733.05 : x
  2. Step 2: Convert to fraction form
    1,976,344,453.44/2,964,395,387.93 = 811,782,733.05/x
  3. Step 3: Cross multiply
    1,976,344,453.44x = 2,964,395,387.93 × 811,782,733.05
  4. Step 4: Simplify right side
    1,976,344,453.44x = 2,406,444,989,850,571,264
  5. Step 5: Solve for x
    x = 2,406,444,989,850,571,264/1,976,344,453.44
  6. Step 6: Final answer
    x = 1,217,624,278.84

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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.