Home / 510,097,238.60-764,012,117.10-442,072,790.60

Finding the Fourth Proportional to 510,097,238.60, 764,012,117.10 and 442,072,790.60

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Solution

The fourth proportional to 510,097,238.60, 764,012,117.10 and 442,072,790.60 is: 662,126,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,097,238.60 : 764,012,117.10 = 442,072,790.60 : x
  2. Step 2: Convert to fraction form
    510,097,238.60/764,012,117.10 = 442,072,790.60/x
  3. Step 3: Cross multiply
    510,097,238.60x = 764,012,117.10 × 442,072,790.60
  4. Step 4: Simplify right side
    510,097,238.60x = 337,748,968,658,611,008
  5. Step 5: Solve for x
    x = 337,748,968,658,611,008/510,097,238.60
  6. Step 6: Final answer
    x = 662,126,636.06

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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.