Home / 247,918,510,431.40-371,877,765,647.10-80,242,922,792.20

Finding the Fourth Proportional to 247,918,510,431.40, 371,877,765,647.10 and 80,242,922,792.20

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Solution

The fourth proportional to 247,918,510,431.40, 371,877,765,647.10 and 80,242,922,792.20 is: 120,364,384,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,918,510,431.40 : 371,877,765,647.10 = 80,242,922,792.20 : x
  2. Step 2: Convert to fraction form
    247,918,510,431.40/371,877,765,647.10 = 80,242,922,792.20/x
  3. Step 3: Cross multiply
    247,918,510,431.40x = 371,877,765,647.10 × 80,242,922,792.20
  4. Step 4: Simplify right side
    247,918,510,431.40x = 29,840,558,836,956,088,238,080
  5. Step 5: Solve for x
    x = 29,840,558,836,956,088,238,080/247,918,510,431.40
  6. Step 6: Final answer
    x = 120,364,384,188.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.