Home / 1,891,114,942.48-2,610,435,037.80-1,138,463,115.28

Finding the Fourth Proportional to 1,891,114,942.48, 2,610,435,037.80 and 1,138,463,115.28

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Solution

The fourth proportional to 1,891,114,942.48, 2,610,435,037.80 and 1,138,463,115.28 is: 1,571,498,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,114,942.48 : 2,610,435,037.80 = 1,138,463,115.28 : x
  2. Step 2: Convert to fraction form
    1,891,114,942.48/2,610,435,037.80 = 1,138,463,115.28/x
  3. Step 3: Cross multiply
    1,891,114,942.48x = 2,610,435,037.80 × 1,138,463,115.28
  4. Step 4: Simplify right side
    1,891,114,942.48x = 2,971,884,005,369,852,928
  5. Step 5: Solve for x
    x = 2,971,884,005,369,852,928/1,891,114,942.48
  6. Step 6: Final answer
    x = 1,571,498,346.62

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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.