Home / 1,429,529,380.16-1,972,138,606.11-892,749,148.61

Finding the Fourth Proportional to 1,429,529,380.16, 1,972,138,606.11 and 892,749,148.61

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Solution

The fourth proportional to 1,429,529,380.16, 1,972,138,606.11 and 892,749,148.61 is: 1,231,611,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,529,380.16 : 1,972,138,606.11 = 892,749,148.61 : x
  2. Step 2: Convert to fraction form
    1,429,529,380.16/1,972,138,606.11 = 892,749,148.61/x
  3. Step 3: Cross multiply
    1,429,529,380.16x = 1,972,138,606.11 × 892,749,148.61
  4. Step 4: Simplify right side
    1,429,529,380.16x = 1,760,625,061,535,753,984
  5. Step 5: Solve for x
    x = 1,760,625,061,535,753,984/1,429,529,380.16
  6. Step 6: Final answer
    x = 1,231,611,666.03

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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.