Home / 454,972,941.49-682,478,834.61-178,684,033.72

Finding the Fourth Proportional to 454,972,941.49, 682,478,834.61 and 178,684,033.72

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Solution

The fourth proportional to 454,972,941.49, 682,478,834.61 and 178,684,033.72 is: 268,033,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,972,941.49 : 682,478,834.61 = 178,684,033.72 : x
  2. Step 2: Convert to fraction form
    454,972,941.49/682,478,834.61 = 178,684,033.72/x
  3. Step 3: Cross multiply
    454,972,941.49x = 682,478,834.61 × 178,684,033.72
  4. Step 4: Simplify right side
    454,972,941.49x = 121,948,071,096,639,552
  5. Step 5: Solve for x
    x = 121,948,071,096,639,552/454,972,941.49
  6. Step 6: Final answer
    x = 268,033,678.44

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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.