Home / 756,454,984.31-1,133,093,447.42-479,963,878.06

Finding the Fourth Proportional to 756,454,984.31, 1,133,093,447.42 and 479,963,878.06

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Solution

The fourth proportional to 756,454,984.31, 1,133,093,447.42 and 479,963,878.06 is: 718,937,592.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,454,984.31 : 1,133,093,447.42 = 479,963,878.06 : x
  2. Step 2: Convert to fraction form
    756,454,984.31/1,133,093,447.42 = 479,963,878.06/x
  3. Step 3: Cross multiply
    756,454,984.31x = 1,133,093,447.42 × 479,963,878.06
  4. Step 4: Simplify right side
    756,454,984.31x = 543,843,925,225,678,080
  5. Step 5: Solve for x
    x = 543,843,925,225,678,080/756,454,984.31
  6. Step 6: Final answer
    x = 718,937,592.47

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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.