Home / 1,512,071,731.40-2,268,107,597.10-1,205,961,715.40

Finding the Fourth Proportional to 1,512,071,731.40, 2,268,107,597.10 and 1,205,961,715.40

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Solution

The fourth proportional to 1,512,071,731.40, 2,268,107,597.10 and 1,205,961,715.40 is: 1,808,942,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,071,731.40 : 2,268,107,597.10 = 1,205,961,715.40 : x
  2. Step 2: Convert to fraction form
    1,512,071,731.40/2,268,107,597.10 = 1,205,961,715.40/x
  3. Step 3: Cross multiply
    1,512,071,731.40x = 2,268,107,597.10 × 1,205,961,715.40
  4. Step 4: Simplify right side
    1,512,071,731.40x = 2,735,250,928,510,488,064
  5. Step 5: Solve for x
    x = 2,735,250,928,510,488,064/1,512,071,731.40
  6. Step 6: Final answer
    x = 1,808,942,573.10

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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.