Home / 1,429,529,371.52-1,972,138,594.05-892,749,139.88

Finding the Fourth Proportional to 1,429,529,371.52, 1,972,138,594.05 and 892,749,139.88

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Solution

The fourth proportional to 1,429,529,371.52, 1,972,138,594.05 and 892,749,139.88 is: 1,231,611,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,529,371.52 : 1,972,138,594.05 = 892,749,139.88 : x
  2. Step 2: Convert to fraction form
    1,429,529,371.52/1,972,138,594.05 = 892,749,139.88/x
  3. Step 3: Cross multiply
    1,429,529,371.52x = 1,972,138,594.05 × 892,749,139.88
  4. Step 4: Simplify right side
    1,429,529,371.52x = 1,760,625,033,552,429,312
  5. Step 5: Solve for x
    x = 1,760,625,033,552,429,312/1,429,529,371.52
  6. Step 6: Final answer
    x = 1,231,611,653.90

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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.