Home / 2,391,242,953.91-3,300,571,625.18-1,387,983,739.77

Finding the Fourth Proportional to 2,391,242,953.91, 3,300,571,625.18 and 1,387,983,739.77

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Solution

The fourth proportional to 2,391,242,953.91, 3,300,571,625.18 and 1,387,983,739.77 is: 1,915,798,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,242,953.91 : 3,300,571,625.18 = 1,387,983,739.77 : x
  2. Step 2: Convert to fraction form
    2,391,242,953.91/3,300,571,625.18 = 1,387,983,739.77/x
  3. Step 3: Cross multiply
    2,391,242,953.91x = 3,300,571,625.18 × 1,387,983,739.77
  4. Step 4: Simplify right side
    2,391,242,953.91x = 4,581,139,747,689,143,296
  5. Step 5: Solve for x
    x = 4,581,139,747,689,143,296/2,391,242,953.91
  6. Step 6: Final answer
    x = 1,915,798,534.90

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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.