Home / 1,244,631,921.30-1,866,947,881.95-624,759,138.90

Finding the Fourth Proportional to 1,244,631,921.30, 1,866,947,881.95 and 624,759,138.90

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Solution

The fourth proportional to 1,244,631,921.30, 1,866,947,881.95 and 624,759,138.90 is: 937,138,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,631,921.30 : 1,866,947,881.95 = 624,759,138.90 : x
  2. Step 2: Convert to fraction form
    1,244,631,921.30/1,866,947,881.95 = 624,759,138.90/x
  3. Step 3: Cross multiply
    1,244,631,921.30x = 1,866,947,881.95 × 624,759,138.90
  4. Step 4: Simplify right side
    1,244,631,921.30x = 1,166,392,751,098,260,736
  5. Step 5: Solve for x
    x = 1,166,392,751,098,260,736/1,244,631,921.30
  6. Step 6: Final answer
    x = 937,138,708.35

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Double scale
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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.