Home / 1,912,448,072.40-2,640,396,895.32-1,560,862,715.76

Finding the Fourth Proportional to 1,912,448,072.40, 2,640,396,895.32 and 1,560,862,715.76

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Solution

The fourth proportional to 1,912,448,072.40, 2,640,396,895.32 and 1,560,862,715.76 is: 2,154,985,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,448,072.40 : 2,640,396,895.32 = 1,560,862,715.76 : x
  2. Step 2: Convert to fraction form
    1,912,448,072.40/2,640,396,895.32 = 1,560,862,715.76/x
  3. Step 3: Cross multiply
    1,912,448,072.40x = 2,640,396,895.32 × 1,560,862,715.76
  4. Step 4: Simplify right side
    1,912,448,072.40x = 4,121,297,068,713,447,936
  5. Step 5: Solve for x
    x = 4,121,297,068,713,447,936/1,912,448,072.40
  6. Step 6: Final answer
    x = 2,154,985,083.36

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1.5x scale

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.