Home / 404,191,386.30-606,287,079.45-378,682,218.30

Finding the Fourth Proportional to 404,191,386.30, 606,287,079.45 and 378,682,218.30

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Solution

The fourth proportional to 404,191,386.30, 606,287,079.45 and 378,682,218.30 is: 568,023,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,191,386.30 : 606,287,079.45 = 378,682,218.30 : x
  2. Step 2: Convert to fraction form
    404,191,386.30/606,287,079.45 = 378,682,218.30/x
  3. Step 3: Cross multiply
    404,191,386.30x = 606,287,079.45 × 378,682,218.30
  4. Step 4: Simplify right side
    404,191,386.30x = 229,590,136,172,754,368
  5. Step 5: Solve for x
    x = 229,590,136,172,754,368/404,191,386.30
  6. Step 6: Final answer
    x = 568,023,327.45

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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.