Home / 436,609,685.40-654,914,528.10-218,293,722.60

Finding the Fourth Proportional to 436,609,685.40, 654,914,528.10 and 218,293,722.60

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Solution

The fourth proportional to 436,609,685.40, 654,914,528.10 and 218,293,722.60 is: 327,440,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,609,685.40 : 654,914,528.10 = 218,293,722.60 : x
  2. Step 2: Convert to fraction form
    436,609,685.40/654,914,528.10 = 218,293,722.60/x
  3. Step 3: Cross multiply
    436,609,685.40x = 654,914,528.10 × 218,293,722.60
  4. Step 4: Simplify right side
    436,609,685.40x = 142,963,730,323,771,312
  5. Step 5: Solve for x
    x = 142,963,730,323,771,312/436,609,685.40
  6. Step 6: Final answer
    x = 327,440,583.90

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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.