Home / 30,805,924,410.36-42,552,054,170.64-25,475,018,481.72

Finding the Fourth Proportional to 30,805,924,410.36, 42,552,054,170.64 and 25,475,018,481.72

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Solution

The fourth proportional to 30,805,924,410.36, 42,552,054,170.64 and 25,475,018,481.72 is: 35,188,503,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805,924,410.36 : 42,552,054,170.64 = 25,475,018,481.72 : x
  2. Step 2: Convert to fraction form
    30,805,924,410.36/42,552,054,170.64 = 25,475,018,481.72/x
  3. Step 3: Cross multiply
    30,805,924,410.36x = 42,552,054,170.64 × 25,475,018,481.72
  4. Step 4: Simplify right side
    30,805,924,410.36x = 1,084,014,366,432,204,685,312
  5. Step 5: Solve for x
    x = 1,084,014,366,432,204,685,312/30,805,924,410.36
  6. Step 6: Final answer
    x = 35,188,503,094.15

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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.