Home / 404,349,403.89-606,525,882.72-128,001,975.69

Finding the Fourth Proportional to 404,349,403.89, 606,525,882.72 and 128,001,975.69

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Solution

The fourth proportional to 404,349,403.89, 606,525,882.72 and 128,001,975.69 is: 192,003,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,349,403.89 : 606,525,882.72 = 128,001,975.69 : x
  2. Step 2: Convert to fraction form
    404,349,403.89/606,525,882.72 = 128,001,975.69/x
  3. Step 3: Cross multiply
    404,349,403.89x = 606,525,882.72 × 128,001,975.69
  4. Step 4: Simplify right side
    404,349,403.89x = 77,636,511,295,281,232
  5. Step 5: Solve for x
    x = 77,636,511,295,281,232/404,349,403.89
  6. Step 6: Final answer
    x = 192,003,526.03

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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.