Home / 551,606,630.40-827,409,945.60-168,654,182.40

Finding the Fourth Proportional to 551,606,630.40, 827,409,945.60 and 168,654,182.40

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Solution

The fourth proportional to 551,606,630.40, 827,409,945.60 and 168,654,182.40 is: 252,981,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,606,630.40 : 827,409,945.60 = 168,654,182.40 : x
  2. Step 2: Convert to fraction form
    551,606,630.40/827,409,945.60 = 168,654,182.40/x
  3. Step 3: Cross multiply
    551,606,630.40x = 827,409,945.60 × 168,654,182.40
  4. Step 4: Simplify right side
    551,606,630.40x = 139,546,147,884,796,480
  5. Step 5: Solve for x
    x = 139,546,147,884,796,480/551,606,630.40
  6. Step 6: Final answer
    x = 252,981,273.60

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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.