Home / 917,996,742.31-1,377,265,276.48-296,200,309.56

Finding the Fourth Proportional to 917,996,742.31, 1,377,265,276.48 and 296,200,309.56

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Solution

The fourth proportional to 917,996,742.31, 1,377,265,276.48 and 296,200,309.56 is: 444,387,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,996,742.31 : 1,377,265,276.48 = 296,200,309.56 : x
  2. Step 2: Convert to fraction form
    917,996,742.31/1,377,265,276.48 = 296,200,309.56/x
  3. Step 3: Cross multiply
    917,996,742.31x = 1,377,265,276.48 × 296,200,309.56
  4. Step 4: Simplify right side
    917,996,742.31x = 407,946,401,245,053,440
  5. Step 5: Solve for x
    x = 407,946,401,245,053,440/917,996,742.31
  6. Step 6: Final answer
    x = 444,387,634.99

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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.