Home / 2,588,928,004.70-3,883,392,007.05-865,641,988.70

Finding the Fourth Proportional to 2,588,928,004.70, 3,883,392,007.05 and 865,641,988.70

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Solution

The fourth proportional to 2,588,928,004.70, 3,883,392,007.05 and 865,641,988.70 is: 1,298,462,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,928,004.70 : 3,883,392,007.05 = 865,641,988.70 : x
  2. Step 2: Convert to fraction form
    2,588,928,004.70/3,883,392,007.05 = 865,641,988.70/x
  3. Step 3: Cross multiply
    2,588,928,004.70x = 3,883,392,007.05 × 865,641,988.70
  4. Step 4: Simplify right side
    2,588,928,004.70x = 3,361,627,179,884,446,720
  5. Step 5: Solve for x
    x = 3,361,627,179,884,446,720/2,588,928,004.70
  6. Step 6: Final answer
    x = 1,298,462,983.05

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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.