Home / 783,203,849.54-1,081,102,447.83-465,663,337.93

Finding the Fourth Proportional to 783,203,849.54, 1,081,102,447.83 and 465,663,337.93

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Solution

The fourth proportional to 783,203,849.54, 1,081,102,447.83 and 465,663,337.93 is: 642,782,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,203,849.54 : 1,081,102,447.83 = 465,663,337.93 : x
  2. Step 2: Convert to fraction form
    783,203,849.54/1,081,102,447.83 = 465,663,337.93/x
  3. Step 3: Cross multiply
    783,203,849.54x = 1,081,102,447.83 × 465,663,337.93
  4. Step 4: Simplify right side
    783,203,849.54x = 503,429,774,503,932,416
  5. Step 5: Solve for x
    x = 503,429,774,503,932,416/783,203,849.54
  6. Step 6: Final answer
    x = 642,782,558.84

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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.