Home / 1,839,268,328.28-2,541,510,449.16-1,309,712,947.53

Finding the Fourth Proportional to 1,839,268,328.28, 2,541,510,449.16 and 1,309,712,947.53

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Solution

The fourth proportional to 1,839,268,328.28, 2,541,510,449.16 and 1,309,712,947.53 is: 1,809,768,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,268,328.28 : 2,541,510,449.16 = 1,309,712,947.53 : x
  2. Step 2: Convert to fraction form
    1,839,268,328.28/2,541,510,449.16 = 1,309,712,947.53/x
  3. Step 3: Cross multiply
    1,839,268,328.28x = 2,541,510,449.16 × 1,309,712,947.53
  4. Step 4: Simplify right side
    1,839,268,328.28x = 3,328,649,141,547,637,760
  5. Step 5: Solve for x
    x = 3,328,649,141,547,637,760/1,839,268,328.28
  6. Step 6: Final answer
    x = 1,809,768,096.57

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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.