Home / 353,428,619.57-529,965,560.91-205,923,848.51

Finding the Fourth Proportional to 353,428,619.57, 529,965,560.91 and 205,923,848.51

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Solution

The fourth proportional to 353,428,619.57, 529,965,560.91 and 205,923,848.51 is: 308,782,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,428,619.57 : 529,965,560.91 = 205,923,848.51 : x
  2. Step 2: Convert to fraction form
    353,428,619.57/529,965,560.91 = 205,923,848.51/x
  3. Step 3: Cross multiply
    353,428,619.57x = 529,965,560.91 × 205,923,848.51
  4. Step 4: Simplify right side
    353,428,619.57x = 109,132,547,877,698,192
  5. Step 5: Solve for x
    x = 109,132,547,877,698,192/353,428,619.57
  6. Step 6: Final answer
    x = 308,782,429.71

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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.