Home / 40,347,163,949,990-55,679,139,945,278-21,849,164,452,520

Finding the Fourth Proportional to 40,347,163,949,990, 55,679,139,945,278 and 21,849,164,452,520

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Solution

The fourth proportional to 40,347,163,949,990, 55,679,139,945,278 and 21,849,164,452,520 is: 30,151,876,021,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347,163,949,990 : 55,679,139,945,278 = 21,849,164,452,520 : x
  2. Step 2: Convert to fraction form
    40,347,163,949,990/55,679,139,945,278 = 21,849,164,452,520/x
  3. Step 3: Cross multiply
    40,347,163,949,990x = 55,679,139,945,278 × 21,849,164,452,520
  4. Step 4: Simplify right side
    40,347,163,949,990x = 1,216,542,685,239,254,413,148,684,288
  5. Step 5: Solve for x
    x = 1,216,542,685,239,254,413,148,684,288/40,347,163,949,990
  6. Step 6: Final answer
    x = 30,151,876,021,500.54

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Double scale
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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.