Home / 2,815,836,979.47-4,223,916,880.61-745,504,943.91

Finding the Fourth Proportional to 2,815,836,979.47, 4,223,916,880.61 and 745,504,943.91

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Solution

The fourth proportional to 2,815,836,979.47, 4,223,916,880.61 and 745,504,943.91 is: 1,118,300,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,836,979.47 : 4,223,916,880.61 = 745,504,943.91 : x
  2. Step 2: Convert to fraction form
    2,815,836,979.47/4,223,916,880.61 = 745,504,943.91/x
  3. Step 3: Cross multiply
    2,815,836,979.47x = 4,223,916,880.61 × 745,504,943.91
  4. Step 4: Simplify right side
    2,815,836,979.47x = 3,148,950,917,155,932,672
  5. Step 5: Solve for x
    x = 3,148,950,917,155,932,672/2,815,836,979.47
  6. Step 6: Final answer
    x = 1,118,300,150.23

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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.