Home / 2,152,512,918.73-2,970,467,803.16-1,162,438,335.73

Finding the Fourth Proportional to 2,152,512,918.73, 2,970,467,803.16 and 1,162,438,335.73

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Solution

The fourth proportional to 2,152,512,918.73, 2,970,467,803.16 and 1,162,438,335.73 is: 1,604,164,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,512,918.73 : 2,970,467,803.16 = 1,162,438,335.73 : x
  2. Step 2: Convert to fraction form
    2,152,512,918.73/2,970,467,803.16 = 1,162,438,335.73/x
  3. Step 3: Cross multiply
    2,152,512,918.73x = 2,970,467,803.16 × 1,162,438,335.73
  4. Step 4: Simplify right side
    2,152,512,918.73x = 3,452,985,649,441,359,872
  5. Step 5: Solve for x
    x = 3,452,985,649,441,359,872/2,152,512,918.73
  6. Step 6: Final answer
    x = 1,604,164,889.98

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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.