Home / 1,172,219,627.24-1,757,956,128.09-385,090,570.97

Finding the Fourth Proportional to 1,172,219,627.24, 1,757,956,128.09 and 385,090,570.97

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Solution

The fourth proportional to 1,172,219,627.24, 1,757,956,128.09 and 385,090,570.97 is: 577,513,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,219,627.24 : 1,757,956,128.09 = 385,090,570.97 : x
  2. Step 2: Convert to fraction form
    1,172,219,627.24/1,757,956,128.09 = 385,090,570.97/x
  3. Step 3: Cross multiply
    1,172,219,627.24x = 1,757,956,128.09 × 385,090,570.97
  4. Step 4: Simplify right side
    1,172,219,627.24x = 676,972,329,097,598,720
  5. Step 5: Solve for x
    x = 676,972,329,097,598,720/1,172,219,627.24
  6. Step 6: Final answer
    x = 577,513,217.97

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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.