Home / 559,873,315.80-839,809,973.70-503,438,218.20

Finding the Fourth Proportional to 559,873,315.80, 839,809,973.70 and 503,438,218.20

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Solution

The fourth proportional to 559,873,315.80, 839,809,973.70 and 503,438,218.20 is: 755,157,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,873,315.80 : 839,809,973.70 = 503,438,218.20 : x
  2. Step 2: Convert to fraction form
    559,873,315.80/839,809,973.70 = 503,438,218.20/x
  3. Step 3: Cross multiply
    559,873,315.80x = 839,809,973.70 × 503,438,218.20
  4. Step 4: Simplify right side
    559,873,315.80x = 422,792,436,786,116,864
  5. Step 5: Solve for x
    x = 422,792,436,786,116,864/559,873,315.80
  6. Step 6: Final answer
    x = 755,157,327.30

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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.