Home / 823,909,910.25-1,136,996,135.43-452,655,856.47

Finding the Fourth Proportional to 823,909,910.25, 1,136,996,135.43 and 452,655,856.47

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Solution

The fourth proportional to 823,909,910.25, 1,136,996,135.43 and 452,655,856.47 is: 624,665,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,909,910.25 : 1,136,996,135.43 = 452,655,856.47 : x
  2. Step 2: Convert to fraction form
    823,909,910.25/1,136,996,135.43 = 452,655,856.47/x
  3. Step 3: Cross multiply
    823,909,910.25x = 1,136,996,135.43 × 452,655,856.47
  4. Step 4: Simplify right side
    823,909,910.25x = 514,667,959,486,146,816
  5. Step 5: Solve for x
    x = 514,667,959,486,146,816/823,909,910.25
  6. Step 6: Final answer
    x = 624,665,334.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.