Home / 794,324,908.80-1,191,487,363.20-386,178,220.80

Finding the Fourth Proportional to 794,324,908.80, 1,191,487,363.20 and 386,178,220.80

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Solution

The fourth proportional to 794,324,908.80, 1,191,487,363.20 and 386,178,220.80 is: 579,267,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,324,908.80 : 1,191,487,363.20 = 386,178,220.80 : x
  2. Step 2: Convert to fraction form
    794,324,908.80/1,191,487,363.20 = 386,178,220.80/x
  3. Step 3: Cross multiply
    794,324,908.80x = 1,191,487,363.20 × 386,178,220.80
  4. Step 4: Simplify right side
    794,324,908.80x = 460,126,470,026,259,456
  5. Step 5: Solve for x
    x = 460,126,470,026,259,456/794,324,908.80
  6. Step 6: Final answer
    x = 579,267,331.20

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Double scale
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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.