Home / 347,760,501.70-521,640,752.55-186,517,365.70

Finding the Fourth Proportional to 347,760,501.70, 521,640,752.55 and 186,517,365.70

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Solution

The fourth proportional to 347,760,501.70, 521,640,752.55 and 186,517,365.70 is: 279,776,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,760,501.70 : 521,640,752.55 = 186,517,365.70 : x
  2. Step 2: Convert to fraction form
    347,760,501.70/521,640,752.55 = 186,517,365.70/x
  3. Step 3: Cross multiply
    347,760,501.70x = 521,640,752.55 × 186,517,365.70
  4. Step 4: Simplify right side
    347,760,501.70x = 97,295,059,007,391,552
  5. Step 5: Solve for x
    x = 97,295,059,007,391,552/347,760,501.70
  6. Step 6: Final answer
    x = 279,776,048.55

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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.