Home / 631,638,009.10-947,457,013.65-222,558,201.10

Finding the Fourth Proportional to 631,638,009.10, 947,457,013.65 and 222,558,201.10

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Solution

The fourth proportional to 631,638,009.10, 947,457,013.65 and 222,558,201.10 is: 333,837,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,638,009.10 : 947,457,013.65 = 222,558,201.10 : x
  2. Step 2: Convert to fraction form
    631,638,009.10/947,457,013.65 = 222,558,201.10/x
  3. Step 3: Cross multiply
    631,638,009.10x = 947,457,013.65 × 222,558,201.10
  4. Step 4: Simplify right side
    631,638,009.10x = 210,864,328,577,522,144
  5. Step 5: Solve for x
    x = 210,864,328,577,522,144/631,638,009.10
  6. Step 6: Final answer
    x = 333,837,301.65

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Double scale
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Similar ratio
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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.