Home / 350,209,042.80-525,313,564.20-331,397,343.60

Finding the Fourth Proportional to 350,209,042.80, 525,313,564.20 and 331,397,343.60

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Solution

The fourth proportional to 350,209,042.80, 525,313,564.20 and 331,397,343.60 is: 497,096,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,209,042.80 : 525,313,564.20 = 331,397,343.60 : x
  2. Step 2: Convert to fraction form
    350,209,042.80/525,313,564.20 = 331,397,343.60/x
  3. Step 3: Cross multiply
    350,209,042.80x = 525,313,564.20 × 331,397,343.60
  4. Step 4: Simplify right side
    350,209,042.80x = 174,087,519,732,928,064
  5. Step 5: Solve for x
    x = 174,087,519,732,928,064/350,209,042.80
  6. Step 6: Final answer
    x = 497,096,015.40

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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.