Home / 704,906,118.80-1,057,241,901.44-213,502,555.12

Finding the Fourth Proportional to 704,906,118.80, 1,057,241,901.44 and 213,502,555.12

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Solution

The fourth proportional to 704,906,118.80, 1,057,241,901.44 and 213,502,555.12 is: 320,218,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,906,118.80 : 1,057,241,901.44 = 213,502,555.12 : x
  2. Step 2: Convert to fraction form
    704,906,118.80/1,057,241,901.44 = 213,502,555.12/x
  3. Step 3: Cross multiply
    704,906,118.80x = 1,057,241,901.44 × 213,502,555.12
  4. Step 4: Simplify right side
    704,906,118.80x = 225,723,847,337,367,232
  5. Step 5: Solve for x
    x = 225,723,847,337,367,232/704,906,118.80
  6. Step 6: Final answer
    x = 320,218,311.80

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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.