Home / 2,391,242,975.37-3,300,571,654.74-1,387,983,761.28

Finding the Fourth Proportional to 2,391,242,975.37, 3,300,571,654.74 and 1,387,983,761.28

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Solution

The fourth proportional to 2,391,242,975.37, 3,300,571,654.74 and 1,387,983,761.28 is: 1,915,798,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,242,975.37 : 3,300,571,654.74 = 1,387,983,761.28 : x
  2. Step 2: Convert to fraction form
    2,391,242,975.37/3,300,571,654.74 = 1,387,983,761.28/x
  3. Step 3: Cross multiply
    2,391,242,975.37x = 3,300,571,654.74 × 1,387,983,761.28
  4. Step 4: Simplify right side
    2,391,242,975.37x = 4,581,139,859,720,178,176
  5. Step 5: Solve for x
    x = 4,581,139,859,720,178,176/2,391,242,975.37
  6. Step 6: Final answer
    x = 1,915,798,564.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.