Home / 1,098,789,632.20-1,648,184,448.30-408,554,061.40

Finding the Fourth Proportional to 1,098,789,632.20, 1,648,184,448.30 and 408,554,061.40

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Solution

The fourth proportional to 1,098,789,632.20, 1,648,184,448.30 and 408,554,061.40 is: 612,831,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,789,632.20 : 1,648,184,448.30 = 408,554,061.40 : x
  2. Step 2: Convert to fraction form
    1,098,789,632.20/1,648,184,448.30 = 408,554,061.40/x
  3. Step 3: Cross multiply
    1,098,789,632.20x = 1,648,184,448.30 × 408,554,061.40
  4. Step 4: Simplify right side
    1,098,789,632.20x = 673,372,450,289,283,328
  5. Step 5: Solve for x
    x = 673,372,450,289,283,328/1,098,789,632.20
  6. Step 6: Final answer
    x = 612,831,092.10

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Double scale
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Similar ratio
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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.