Home / 1,617,167,507.63-2,231,691,158.90-874,611,569.57

Finding the Fourth Proportional to 1,617,167,507.63, 2,231,691,158.90 and 874,611,569.57

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Solution

The fourth proportional to 1,617,167,507.63, 2,231,691,158.90 and 874,611,569.57 is: 1,206,963,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,167,507.63 : 2,231,691,158.90 = 874,611,569.57 : x
  2. Step 2: Convert to fraction form
    1,617,167,507.63/2,231,691,158.90 = 874,611,569.57/x
  3. Step 3: Cross multiply
    1,617,167,507.63x = 2,231,691,158.90 × 874,611,569.57
  4. Step 4: Simplify right side
    1,617,167,507.63x = 1,951,862,907,272,225,792
  5. Step 5: Solve for x
    x = 1,951,862,907,272,225,792/1,617,167,507.63
  6. Step 6: Final answer
    x = 1,206,963,965.12

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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.