Home / 404,349,388.10-606,525,859.08-128,001,959.85

Finding the Fourth Proportional to 404,349,388.10, 606,525,859.08 and 128,001,959.85

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Solution

The fourth proportional to 404,349,388.10, 606,525,859.08 and 128,001,959.85 is: 192,003,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,349,388.10 : 606,525,859.08 = 128,001,959.85 : x
  2. Step 2: Convert to fraction form
    404,349,388.10/606,525,859.08 = 128,001,959.85/x
  3. Step 3: Cross multiply
    404,349,388.10x = 606,525,859.08 × 128,001,959.85
  4. Step 4: Simplify right side
    404,349,388.10x = 77,636,498,661,944,912
  5. Step 5: Solve for x
    x = 77,636,498,661,944,912/404,349,388.10
  6. Step 6: Final answer
    x = 192,003,502.29

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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.