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Finding the Fourth Proportional to 724,673,132.80, 1,085,734,240.80 and 622,636,460.80

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Solution

The fourth proportional to 724,673,132.80, 1,085,734,240.80 and 622,636,460.80 is: 932,858,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,673,132.80 : 1,085,734,240.80 = 622,636,460.80 : x
  2. Step 2: Convert to fraction form
    724,673,132.80/1,085,734,240.80 = 622,636,460.80/x
  3. Step 3: Cross multiply
    724,673,132.80x = 1,085,734,240.80 × 622,636,460.80
  4. Step 4: Simplify right side
    724,673,132.80x = 676,017,725,061,086,848
  5. Step 5: Solve for x
    x = 676,017,725,061,086,848/724,673,132.80
  6. Step 6: Final answer
    x = 932,858,822.09

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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.