Home / 308,611,577.40-463,448,207.70-218,368,505.40

Finding the Fourth Proportional to 308,611,577.40, 463,448,207.70 and 218,368,505.40

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Solution

The fourth proportional to 308,611,577.40, 463,448,207.70 and 218,368,505.40 is: 327,928,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,611,577.40 : 463,448,207.70 = 218,368,505.40 : x
  2. Step 2: Convert to fraction form
    308,611,577.40/463,448,207.70 = 218,368,505.40/x
  3. Step 3: Cross multiply
    308,611,577.40x = 463,448,207.70 × 218,368,505.40
  4. Step 4: Simplify right side
    308,611,577.40x = 101,202,492,445,757,776
  5. Step 5: Solve for x
    x = 101,202,492,445,757,776/308,611,577.40
  6. Step 6: Final answer
    x = 327,928,372.94

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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.