Home / 873,132,703.20-1,309,699,054.80-259,637,212.80

Finding the Fourth Proportional to 873,132,703.20, 1,309,699,054.80 and 259,637,212.80

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Solution

The fourth proportional to 873,132,703.20, 1,309,699,054.80 and 259,637,212.80 is: 389,455,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,132,703.20 : 1,309,699,054.80 = 259,637,212.80 : x
  2. Step 2: Convert to fraction form
    873,132,703.20/1,309,699,054.80 = 259,637,212.80/x
  3. Step 3: Cross multiply
    873,132,703.20x = 1,309,699,054.80 × 259,637,212.80
  4. Step 4: Simplify right side
    873,132,703.20x = 340,046,612,195,066,496
  5. Step 5: Solve for x
    x = 340,046,612,195,066,496/873,132,703.20
  6. Step 6: Final answer
    x = 389,455,819.20

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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.