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Finding the Fourth Proportional to 599,078,512.80, 898,617,769.20 and 558,767,728.80

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Solution

The fourth proportional to 599,078,512.80, 898,617,769.20 and 558,767,728.80 is: 838,151,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,078,512.80 : 898,617,769.20 = 558,767,728.80 : x
  2. Step 2: Convert to fraction form
    599,078,512.80/898,617,769.20 = 558,767,728.80/x
  3. Step 3: Cross multiply
    599,078,512.80x = 898,617,769.20 × 558,767,728.80
  4. Step 4: Simplify right side
    599,078,512.80x = 502,118,609,955,206,592
  5. Step 5: Solve for x
    x = 502,118,609,955,206,592/599,078,512.80
  6. Step 6: Final answer
    x = 838,151,593.20

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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.