Home / 415,456,278,932.04-622,372,824,841.35-286,208,824,487.10

Finding the Fourth Proportional to 415,456,278,932.04, 622,372,824,841.35 and 286,208,824,487.10

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Solution

The fourth proportional to 415,456,278,932.04, 622,372,824,841.35 and 286,208,824,487.10 is: 428,754,127,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,456,278,932.04 : 622,372,824,841.35 = 286,208,824,487.10 : x
  2. Step 2: Convert to fraction form
    415,456,278,932.04/622,372,824,841.35 = 286,208,824,487.10/x
  3. Step 3: Cross multiply
    415,456,278,932.04x = 622,372,824,841.35 × 286,208,824,487.10
  4. Step 4: Simplify right side
    415,456,278,932.04x = 178,128,594,590,558,542,888,960
  5. Step 5: Solve for x
    x = 178,128,594,590,558,542,888,960/415,456,278,932.04
  6. Step 6: Final answer
    x = 428,754,127,987.79

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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.