Home / 489,402,376,954.48-675,344,849,529.20-269,658,771,997.45

Finding the Fourth Proportional to 489,402,376,954.48, 675,344,849,529.20 and 269,658,771,997.45

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Solution

The fourth proportional to 489,402,376,954.48, 675,344,849,529.20 and 269,658,771,997.45 is: 372,112,338,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,402,376,954.48 : 675,344,849,529.20 = 269,658,771,997.45 : x
  2. Step 2: Convert to fraction form
    489,402,376,954.48/675,344,849,529.20 = 269,658,771,997.45/x
  3. Step 3: Cross multiply
    489,402,376,954.48x = 675,344,849,529.20 × 269,658,771,997.45
  4. Step 4: Simplify right side
    489,402,376,954.48x = 182,112,662,798,846,723,620,864
  5. Step 5: Solve for x
    x = 182,112,662,798,846,723,620,864/489,402,376,954.48
  6. Step 6: Final answer
    x = 372,112,338,178.91

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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.