Home / 327,439,428,749.60-490,720,109,411.62-254,838,245,567.09

Finding the Fourth Proportional to 327,439,428,749.60, 490,720,109,411.62 and 254,838,245,567.09

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Solution

The fourth proportional to 327,439,428,749.60, 490,720,109,411.62 and 254,838,245,567.09 is: 381,915,678,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,439,428,749.60 : 490,720,109,411.62 = 254,838,245,567.09 : x
  2. Step 2: Convert to fraction form
    327,439,428,749.60/490,720,109,411.62 = 254,838,245,567.09/x
  3. Step 3: Cross multiply
    327,439,428,749.60x = 490,720,109,411.62 × 254,838,245,567.09
  4. Step 4: Simplify right side
    327,439,428,749.60x = 125,054,251,746,947,680,436,224
  5. Step 5: Solve for x
    x = 125,054,251,746,947,680,436,224/327,439,428,749.60
  6. Step 6: Final answer
    x = 381,915,678,953.19

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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.