Home / 756,454,984.81-1,133,093,448.17-479,963,878.56

Finding the Fourth Proportional to 756,454,984.81, 1,133,093,448.17 and 479,963,878.56

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Solution

The fourth proportional to 756,454,984.81, 1,133,093,448.17 and 479,963,878.56 is: 718,937,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,454,984.81 : 1,133,093,448.17 = 479,963,878.56 : x
  2. Step 2: Convert to fraction form
    756,454,984.81/1,133,093,448.17 = 479,963,878.56/x
  3. Step 3: Cross multiply
    756,454,984.81x = 1,133,093,448.17 × 479,963,878.56
  4. Step 4: Simplify right side
    756,454,984.81x = 543,843,926,152,197,696
  5. Step 5: Solve for x
    x = 543,843,926,152,197,696/756,454,984.81
  6. Step 6: Final answer
    x = 718,937,593.22

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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.