Home / 510,097,220.60-764,012,090.10-442,072,772.60

Finding the Fourth Proportional to 510,097,220.60, 764,012,090.10 and 442,072,772.60

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Solution

The fourth proportional to 510,097,220.60, 764,012,090.10 and 442,072,772.60 is: 662,126,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,097,220.60 : 764,012,090.10 = 442,072,772.60 : x
  2. Step 2: Convert to fraction form
    510,097,220.60/764,012,090.10 = 442,072,772.60/x
  3. Step 3: Cross multiply
    510,097,220.60x = 764,012,090.10 × 442,072,772.60
  4. Step 4: Simplify right side
    510,097,220.60x = 337,748,942,970,428,032
  5. Step 5: Solve for x
    x = 337,748,942,970,428,032/510,097,220.60
  6. Step 6: Final answer
    x = 662,126,609.07

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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.