Home / 493,155,326.94-680,296,334.59-304,923,450.46

Finding the Fourth Proportional to 493,155,326.94, 680,296,334.59 and 304,923,450.46

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Solution

The fourth proportional to 493,155,326.94, 680,296,334.59 and 304,923,450.46 is: 420,634,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,155,326.94 : 680,296,334.59 = 304,923,450.46 : x
  2. Step 2: Convert to fraction form
    493,155,326.94/680,296,334.59 = 304,923,450.46/x
  3. Step 3: Cross multiply
    493,155,326.94x = 680,296,334.59 × 304,923,450.46
  4. Step 4: Simplify right side
    493,155,326.94x = 207,438,305,678,473,440
  5. Step 5: Solve for x
    x = 207,438,305,678,473,440/493,155,326.94
  6. Step 6: Final answer
    x = 420,634,827.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.