Home / 1,455,546,563.97-2,009,623,830.80-861,022,040.91

Finding the Fourth Proportional to 1,455,546,563.97, 2,009,623,830.80 and 861,022,040.91

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Solution

The fourth proportional to 1,455,546,563.97, 2,009,623,830.80 and 861,022,040.91 is: 1,188,783,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,546,563.97 : 2,009,623,830.80 = 861,022,040.91 : x
  2. Step 2: Convert to fraction form
    1,455,546,563.97/2,009,623,830.80 = 861,022,040.91/x
  3. Step 3: Cross multiply
    1,455,546,563.97x = 2,009,623,830.80 × 861,022,040.91
  4. Step 4: Simplify right side
    1,455,546,563.97x = 1,730,330,412,252,483,328
  5. Step 5: Solve for x
    x = 1,730,330,412,252,483,328/1,455,546,563.97
  6. Step 6: Final answer
    x = 1,188,783,962.73

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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.