Home / 254,907,305,327.65-382,172,458,176.12-154,155,774,112.48

Finding the Fourth Proportional to 254,907,305,327.65, 382,172,458,176.12 and 154,155,774,112.48

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Solution

The fourth proportional to 254,907,305,327.65, 382,172,458,176.12 and 154,155,774,112.48 is: 231,119,665,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,907,305,327.65 : 382,172,458,176.12 = 154,155,774,112.48 : x
  2. Step 2: Convert to fraction form
    254,907,305,327.65/382,172,458,176.12 = 154,155,774,112.48/x
  3. Step 3: Cross multiply
    254,907,305,327.65x = 382,172,458,176.12 × 154,155,774,112.48
  4. Step 4: Simplify right side
    254,907,305,327.65x = 58,914,091,134,609,168,269,312
  5. Step 5: Solve for x
    x = 58,914,091,134,609,168,269,312/254,907,305,327.65
  6. Step 6: Final answer
    x = 231,119,665,475.59

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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.