Home / 3,868,541,125.38-5,802,808,143.15-1,212,616,307.70

Finding the Fourth Proportional to 3,868,541,125.38, 5,802,808,143.15 and 1,212,616,307.70

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Solution

The fourth proportional to 3,868,541,125.38, 5,802,808,143.15 and 1,212,616,307.70 is: 1,818,923,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,541,125.38 : 5,802,808,143.15 = 1,212,616,307.70 : x
  2. Step 2: Convert to fraction form
    3,868,541,125.38/5,802,808,143.15 = 1,212,616,307.70/x
  3. Step 3: Cross multiply
    3,868,541,125.38x = 5,802,808,143.15 × 1,212,616,307.70
  4. Step 4: Simplify right side
    3,868,541,125.38x = 7,036,579,784,838,045,696
  5. Step 5: Solve for x
    x = 7,036,579,784,838,045,696/3,868,541,125.38
  6. Step 6: Final answer
    x = 1,818,923,350.37

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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.