Home / 410,100,349,053.24-615,327,302,112.66-221,408,778,269.88

Finding the Fourth Proportional to 410,100,349,053.24, 615,327,302,112.66 and 221,408,778,269.88

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Solution

The fourth proportional to 410,100,349,053.24, 615,327,302,112.66 and 221,408,778,269.88 is: 332,208,608,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,100,349,053.24 : 615,327,302,112.66 = 221,408,778,269.88 : x
  2. Step 2: Convert to fraction form
    410,100,349,053.24/615,327,302,112.66 = 221,408,778,269.88/x
  3. Step 3: Cross multiply
    410,100,349,053.24x = 615,327,302,112.66 × 221,408,778,269.88
  4. Step 4: Simplify right side
    410,100,349,053.24x = 136,238,866,196,865,405,157,376
  5. Step 5: Solve for x
    x = 136,238,866,196,865,405,157,376/410,100,349,053.24
  6. Step 6: Final answer
    x = 332,208,608,237.93

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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.