Home / 13,255,394,144.16-18,292,831,362.72-7,234,285,980

Finding the Fourth Proportional to 13,255,394,144.16, 18,292,831,362.72 and 7,234,285,980

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Solution

The fourth proportional to 13,255,394,144.16, 18,292,831,362.72 and 7,234,285,980 is: 9,983,526,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255,394,144.16 : 18,292,831,362.72 = 7,234,285,980 : x
  2. Step 2: Convert to fraction form
    13,255,394,144.16/18,292,831,362.72 = 7,234,285,980/x
  3. Step 3: Cross multiply
    13,255,394,144.16x = 18,292,831,362.72 × 7,234,285,980
  4. Step 4: Simplify right side
    13,255,394,144.16x = 132,335,573,461,829,599,232
  5. Step 5: Solve for x
    x = 132,335,573,461,829,599,232/13,255,394,144.16
  6. Step 6: Final answer
    x = 9,983,526,104.36

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Double scale
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1.5x scale

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.