Home / 756,630,280.88-1,134,993,370.08-319,849,561.52

Finding the Fourth Proportional to 756,630,280.88, 1,134,993,370.08 and 319,849,561.52

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Solution

The fourth proportional to 756,630,280.88, 1,134,993,370.08 and 319,849,561.52 is: 479,794,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,630,280.88 : 1,134,993,370.08 = 319,849,561.52 : x
  2. Step 2: Convert to fraction form
    756,630,280.88/1,134,993,370.08 = 319,849,561.52/x
  3. Step 3: Cross multiply
    756,630,280.88x = 1,134,993,370.08 × 319,849,561.52
  4. Step 4: Simplify right side
    756,630,280.88x = 363,027,131,748,195,072
  5. Step 5: Solve for x
    x = 363,027,131,748,195,072/756,630,280.88
  6. Step 6: Final answer
    x = 479,794,611.61

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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.