Home / 291,115,103,467.33-438,659,730,234.24-239,218,676,105.77

Finding the Fourth Proportional to 291,115,103,467.33, 438,659,730,234.24 and 239,218,676,105.77

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Solution

The fourth proportional to 291,115,103,467.33, 438,659,730,234.24 and 239,218,676,105.77 is: 360,460,857,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,115,103,467.33 : 438,659,730,234.24 = 239,218,676,105.77 : x
  2. Step 2: Convert to fraction form
    291,115,103,467.33/438,659,730,234.24 = 239,218,676,105.77/x
  3. Step 3: Cross multiply
    291,115,103,467.33x = 438,659,730,234.24 × 239,218,676,105.77
  4. Step 4: Simplify right side
    291,115,103,467.33x = 104,935,599,927,549,094,789,120
  5. Step 5: Solve for x
    x = 104,935,599,927,549,094,789,120/291,115,103,467.33
  6. Step 6: Final answer
    x = 360,460,857,845.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.