Home / 49,259,649,921.82-67,978,851,943.48-28,937,962,179.72

Finding the Fourth Proportional to 49,259,649,921.82, 67,978,851,943.48 and 28,937,962,179.72

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Solution

The fourth proportional to 49,259,649,921.82, 67,978,851,943.48 and 28,937,962,179.72 is: 39,934,702,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,259,649,921.82 : 67,978,851,943.48 = 28,937,962,179.72 : x
  2. Step 2: Convert to fraction form
    49,259,649,921.82/67,978,851,943.48 = 28,937,962,179.72/x
  3. Step 3: Cross multiply
    49,259,649,921.82x = 67,978,851,943.48 × 28,937,962,179.72
  4. Step 4: Simplify right side
    49,259,649,921.82x = 1,967,169,446,561,209,909,248
  5. Step 5: Solve for x
    x = 1,967,169,446,561,209,909,248/49,259,649,921.82
  6. Step 6: Final answer
    x = 39,934,702,128.08

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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.