Home / 631,855,466.63-947,912,466.52-217,278,446.59

Finding the Fourth Proportional to 631,855,466.63, 947,912,466.52 and 217,278,446.59

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Solution

The fourth proportional to 631,855,466.63, 947,912,466.52 and 217,278,446.59 is: 325,962,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,855,466.63 : 947,912,466.52 = 217,278,446.59 : x
  2. Step 2: Convert to fraction form
    631,855,466.63/947,912,466.52 = 217,278,446.59/x
  3. Step 3: Cross multiply
    631,855,466.63x = 947,912,466.52 × 217,278,446.59
  4. Step 4: Simplify right side
    631,855,466.63x = 205,960,948,228,760,992
  5. Step 5: Solve for x
    x = 205,960,948,228,760,992/631,855,466.63
  6. Step 6: Final answer
    x = 325,962,121.25

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Double scale
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1.5x scale

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.