Home / 40,032,241,820.14-55,245,337,475.51-21,967,599,989.78

Finding the Fourth Proportional to 40,032,241,820.14, 55,245,337,475.51 and 21,967,599,989.78

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Solution

The fourth proportional to 40,032,241,820.14, 55,245,337,475.51 and 21,967,599,989.78 is: 30,315,750,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032,241,820.14 : 55,245,337,475.51 = 21,967,599,989.78 : x
  2. Step 2: Convert to fraction form
    40,032,241,820.14/55,245,337,475.51 = 21,967,599,989.78/x
  3. Step 3: Cross multiply
    40,032,241,820.14x = 55,245,337,475.51 × 21,967,599,989.78
  4. Step 4: Simplify right side
    40,032,241,820.14x = 1,213,607,474,962,240,897,024
  5. Step 5: Solve for x
    x = 1,213,607,474,962,240,897,024/40,032,241,820.14
  6. Step 6: Final answer
    x = 30,315,750,999.28

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1.5x scale

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.