Home / 292,715,380-438,487,673.28-176,066,329.06

Finding the Fourth Proportional to 292,715,380, 438,487,673.28 and 176,066,329.06

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Solution

The fourth proportional to 292,715,380, 438,487,673.28 and 176,066,329.06 is: 263,747,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,715,380 : 438,487,673.28 = 176,066,329.06 : x
  2. Step 2: Convert to fraction form
    292,715,380/438,487,673.28 = 176,066,329.06/x
  3. Step 3: Cross multiply
    292,715,380x = 438,487,673.28 × 176,066,329.06
  4. Step 4: Simplify right side
    292,715,380x = 77,202,914,972,470,240
  5. Step 5: Solve for x
    x = 77,202,914,972,470,240/292,715,380
  6. Step 6: Final answer
    x = 263,747,381.41

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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.