Home / 652,044,074,678.45-978,512,878,855.40-227,572,339,570.78

Finding the Fourth Proportional to 652,044,074,678.45, 978,512,878,855.40 and 227,572,339,570.78

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Solution

The fourth proportional to 652,044,074,678.45, 978,512,878,855.40 and 227,572,339,570.78 is: 341,514,437,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,044,074,678.45 : 978,512,878,855.40 = 227,572,339,570.78 : x
  2. Step 2: Convert to fraction form
    652,044,074,678.45/978,512,878,855.40 = 227,572,339,570.78/x
  3. Step 3: Cross multiply
    652,044,074,678.45x = 978,512,878,855.40 × 227,572,339,570.78
  4. Step 4: Simplify right side
    652,044,074,678.45x = 222,682,465,141,262,620,033,024
  5. Step 5: Solve for x
    x = 222,682,465,141,262,620,033,024/652,044,074,678.45
  6. Step 6: Final answer
    x = 341,514,437,120.03

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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.