Home / 550,695,113.58-759,931,920.98-303,171,153.42

Finding the Fourth Proportional to 550,695,113.58, 759,931,920.98 and 303,171,153.42

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Solution

The fourth proportional to 550,695,113.58, 759,931,920.98 and 303,171,153.42 is: 418,361,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,695,113.58 : 759,931,920.98 = 303,171,153.42 : x
  2. Step 2: Convert to fraction form
    550,695,113.58/759,931,920.98 = 303,171,153.42/x
  3. Step 3: Cross multiply
    550,695,113.58x = 759,931,920.98 × 303,171,153.42
  4. Step 4: Simplify right side
    550,695,113.58x = 230,389,437,004,182,912
  5. Step 5: Solve for x
    x = 230,389,437,004,182,912/550,695,113.58
  6. Step 6: Final answer
    x = 418,361,142.71

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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.