Home / 1,962,985,791.78-2,708,929,179.31-1,070,909,815.05

Finding the Fourth Proportional to 1,962,985,791.78, 2,708,929,179.31 and 1,070,909,815.05

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Solution

The fourth proportional to 1,962,985,791.78, 2,708,929,179.31 and 1,070,909,815.05 is: 1,477,860,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,985,791.78 : 2,708,929,179.31 = 1,070,909,815.05 : x
  2. Step 2: Convert to fraction form
    1,962,985,791.78/2,708,929,179.31 = 1,070,909,815.05/x
  3. Step 3: Cross multiply
    1,962,985,791.78x = 2,708,929,179.31 × 1,070,909,815.05
  4. Step 4: Simplify right side
    1,962,985,791.78x = 2,901,018,846,409,999,360
  5. Step 5: Solve for x
    x = 2,901,018,846,409,999,360/1,962,985,791.78
  6. Step 6: Final answer
    x = 1,477,860,338.34

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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.