Home / 702,469,785.15-969,407,546.20-384,937,773.66

Finding the Fourth Proportional to 702,469,785.15, 969,407,546.20 and 384,937,773.66

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Solution

The fourth proportional to 702,469,785.15, 969,407,546.20 and 384,937,773.66 is: 531,213,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,469,785.15 : 969,407,546.20 = 384,937,773.66 : x
  2. Step 2: Convert to fraction form
    702,469,785.15/969,407,546.20 = 384,937,773.66/x
  3. Step 3: Cross multiply
    702,469,785.15x = 969,407,546.20 × 384,937,773.66
  4. Step 4: Simplify right side
    702,469,785.15x = 373,161,582,602,469,248
  5. Step 5: Solve for x
    x = 373,161,582,602,469,248/702,469,785.15
  6. Step 6: Final answer
    x = 531,213,712.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.