Home / 31,509,719,401.68-43,484,449,928.93-17,236,220,385.86

Finding the Fourth Proportional to 31,509,719,401.68, 43,484,449,928.93 and 17,236,220,385.86

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Solution

The fourth proportional to 31,509,719,401.68, 43,484,449,928.93 and 17,236,220,385.86 is: 23,786,551,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509,719,401.68 : 43,484,449,928.93 = 17,236,220,385.86 : x
  2. Step 2: Convert to fraction form
    31,509,719,401.68/43,484,449,928.93 = 17,236,220,385.86/x
  3. Step 3: Cross multiply
    31,509,719,401.68x = 43,484,449,928.93 × 17,236,220,385.86
  4. Step 4: Simplify right side
    31,509,719,401.68x = 749,507,562,332,679,831,552
  5. Step 5: Solve for x
    x = 749,507,562,332,679,831,552/31,509,719,401.68
  6. Step 6: Final answer
    x = 23,786,551,469.35

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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.