Home / 631,638,001.60-947,457,002.40-222,558,193.60

Finding the Fourth Proportional to 631,638,001.60, 947,457,002.40 and 222,558,193.60

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Solution

The fourth proportional to 631,638,001.60, 947,457,002.40 and 222,558,193.60 is: 333,837,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,638,001.60 : 947,457,002.40 = 222,558,193.60 : x
  2. Step 2: Convert to fraction form
    631,638,001.60/947,457,002.40 = 222,558,193.60/x
  3. Step 3: Cross multiply
    631,638,001.60x = 947,457,002.40 × 222,558,193.60
  4. Step 4: Simplify right side
    631,638,001.60x = 210,864,318,967,814,848
  5. Step 5: Solve for x
    x = 210,864,318,967,814,848/631,638,001.60
  6. Step 6: Final answer
    x = 333,837,290.40

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Double scale
Find fourth proportional to 631,638,002.60, 947,457,003.90 and 222,558,194.60
Similar ratio
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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.