Home / 409,085,484.15-613,628,234.29-98,193,100.15

Finding the Fourth Proportional to 409,085,484.15, 613,628,234.29 and 98,193,100.15

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Solution

The fourth proportional to 409,085,484.15, 613,628,234.29 and 98,193,100.15 is: 147,289,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,085,484.15 : 613,628,234.29 = 98,193,100.15 : x
  2. Step 2: Convert to fraction form
    409,085,484.15/613,628,234.29 = 98,193,100.15/x
  3. Step 3: Cross multiply
    409,085,484.15x = 613,628,234.29 × 98,193,100.15
  4. Step 4: Simplify right side
    409,085,484.15x = 60,254,058,662,288,408
  5. Step 5: Solve for x
    x = 60,254,058,662,288,408/409,085,484.15
  6. Step 6: Final answer
    x = 147,289,652.16

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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.