Home / 2,857,032,100.80-4,285,563,285.24-891,720,592.56

Finding the Fourth Proportional to 2,857,032,100.80, 4,285,563,285.24 and 891,720,592.56

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Solution

The fourth proportional to 2,857,032,100.80, 4,285,563,285.24 and 891,720,592.56 is: 1,337,585,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,032,100.80 : 4,285,563,285.24 = 891,720,592.56 : x
  2. Step 2: Convert to fraction form
    2,857,032,100.80/4,285,563,285.24 = 891,720,592.56/x
  3. Step 3: Cross multiply
    2,857,032,100.80x = 4,285,563,285.24 × 891,720,592.56
  4. Step 4: Simplify right side
    2,857,032,100.80x = 3,821,525,032,167,592,448
  5. Step 5: Solve for x
    x = 3,821,525,032,167,592,448/2,857,032,100.80
  6. Step 6: Final answer
    x = 1,337,585,612.39

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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.