Home / 357,952,231.38-493,917,164.15-201,289,083.45

Finding the Fourth Proportional to 357,952,231.38, 493,917,164.15 and 201,289,083.45

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Solution

The fourth proportional to 357,952,231.38, 493,917,164.15 and 201,289,083.45 is: 277,746,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,952,231.38 : 493,917,164.15 = 201,289,083.45 : x
  2. Step 2: Convert to fraction form
    357,952,231.38/493,917,164.15 = 201,289,083.45/x
  3. Step 3: Cross multiply
    357,952,231.38x = 493,917,164.15 × 201,289,083.45
  4. Step 4: Simplify right side
    357,952,231.38x = 99,420,133,271,976,688
  5. Step 5: Solve for x
    x = 99,420,133,271,976,688/357,952,231.38
  6. Step 6: Final answer
    x = 277,746,929.78

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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.