Home / 1,393,848,037.20-2,090,772,055.80-976,631,422.80

Finding the Fourth Proportional to 1,393,848,037.20, 2,090,772,055.80 and 976,631,422.80

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Solution

The fourth proportional to 1,393,848,037.20, 2,090,772,055.80 and 976,631,422.80 is: 1,464,947,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,848,037.20 : 2,090,772,055.80 = 976,631,422.80 : x
  2. Step 2: Convert to fraction form
    1,393,848,037.20/2,090,772,055.80 = 976,631,422.80/x
  3. Step 3: Cross multiply
    1,393,848,037.20x = 2,090,772,055.80 × 976,631,422.80
  4. Step 4: Simplify right side
    1,393,848,037.20x = 2,041,913,687,606,434,816
  5. Step 5: Solve for x
    x = 2,041,913,687,606,434,816/1,393,848,037.20
  6. Step 6: Final answer
    x = 1,464,947,134.20

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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.