Home / 401,383,591.47-554,146,829.97-252,832,047.39

Finding the Fourth Proportional to 401,383,591.47, 554,146,829.97 and 252,832,047.39

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Solution

The fourth proportional to 401,383,591.47, 554,146,829.97 and 252,832,047.39 is: 349,057,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,383,591.47 : 554,146,829.97 = 252,832,047.39 : x
  2. Step 2: Convert to fraction form
    401,383,591.47/554,146,829.97 = 252,832,047.39/x
  3. Step 3: Cross multiply
    401,383,591.47x = 554,146,829.97 × 252,832,047.39
  4. Step 4: Simplify right side
    401,383,591.47x = 140,106,077,575,993,312
  5. Step 5: Solve for x
    x = 140,106,077,575,993,312/401,383,591.47
  6. Step 6: Final answer
    x = 349,057,810.42

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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.