Home / 1,288,537,969.52-1,932,794,604.48-763,529,152.94

Finding the Fourth Proportional to 1,288,537,969.52, 1,932,794,604.48 and 763,529,152.94

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Solution

The fourth proportional to 1,288,537,969.52, 1,932,794,604.48 and 763,529,152.94 is: 1,145,286,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,537,969.52 : 1,932,794,604.48 = 763,529,152.94 : x
  2. Step 2: Convert to fraction form
    1,288,537,969.52/1,932,794,604.48 = 763,529,152.94/x
  3. Step 3: Cross multiply
    1,288,537,969.52x = 1,932,794,604.48 × 763,529,152.94
  4. Step 4: Simplify right side
    1,288,537,969.52x = 1,475,745,027,166,102,272
  5. Step 5: Solve for x
    x = 1,475,745,027,166,102,272/1,288,537,969.52
  6. Step 6: Final answer
    x = 1,145,286,411.48

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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.