Home / 497,918,340.94-687,187,563.86-283,389,145.27

Finding the Fourth Proportional to 497,918,340.94, 687,187,563.86 and 283,389,145.27

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Solution

The fourth proportional to 497,918,340.94, 687,187,563.86 and 283,389,145.27 is: 391,111,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,340.94 : 687,187,563.86 = 283,389,145.27 : x
  2. Step 2: Convert to fraction form
    497,918,340.94/687,187,563.86 = 283,389,145.27/x
  3. Step 3: Cross multiply
    497,918,340.94x = 687,187,563.86 × 283,389,145.27
  4. Step 4: Simplify right side
    497,918,340.94x = 194,741,496,364,515,104
  5. Step 5: Solve for x
    x = 194,741,496,364,515,104/497,918,340.94
  6. Step 6: Final answer
    x = 391,111,313.55

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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.