Home / 291,115,103,468.33-438,659,730,235.75-239,218,676,106.77

Finding the Fourth Proportional to 291,115,103,468.33, 438,659,730,235.75 and 239,218,676,106.77

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Solution

The fourth proportional to 291,115,103,468.33, 438,659,730,235.75 and 239,218,676,106.77 is: 360,460,857,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,115,103,468.33 : 438,659,730,235.75 = 239,218,676,106.77 : x
  2. Step 2: Convert to fraction form
    291,115,103,468.33/438,659,730,235.75 = 239,218,676,106.77/x
  3. Step 3: Cross multiply
    291,115,103,468.33x = 438,659,730,235.75 × 239,218,676,106.77
  4. Step 4: Simplify right side
    291,115,103,468.33x = 104,935,599,928,348,982,116,352
  5. Step 5: Solve for x
    x = 104,935,599,928,348,982,116,352/291,115,103,468.33
  6. Step 6: Final answer
    x = 360,460,857,846.78

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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.