Home / 821,829,366.56-1,233,167,874.24-385,174,412.48

Finding the Fourth Proportional to 821,829,366.56, 1,233,167,874.24 and 385,174,412.48

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Solution

The fourth proportional to 821,829,366.56, 1,233,167,874.24 and 385,174,412.48 is: 577,960,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,829,366.56 : 1,233,167,874.24 = 385,174,412.48 : x
  2. Step 2: Convert to fraction form
    821,829,366.56/1,233,167,874.24 = 385,174,412.48/x
  3. Step 3: Cross multiply
    821,829,366.56x = 1,233,167,874.24 × 385,174,412.48
  4. Step 4: Simplify right side
    821,829,366.56x = 474,984,711,449,602,560
  5. Step 5: Solve for x
    x = 474,984,711,449,602,560/821,829,366.56
  6. Step 6: Final answer
    x = 577,960,256.44

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1.5x scale

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.