Home / 292,715,379-438,487,671.78-176,066,328.06

Finding the Fourth Proportional to 292,715,379, 438,487,671.78 and 176,066,328.06

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Solution

The fourth proportional to 292,715,379, 438,487,671.78 and 176,066,328.06 is: 263,747,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,715,379 : 438,487,671.78 = 176,066,328.06 : x
  2. Step 2: Convert to fraction form
    292,715,379/438,487,671.78 = 176,066,328.06/x
  3. Step 3: Cross multiply
    292,715,379x = 438,487,671.78 × 176,066,328.06
  4. Step 4: Simplify right side
    292,715,379x = 77,202,914,269,883,088
  5. Step 5: Solve for x
    x = 77,202,914,269,883,088/292,715,379
  6. Step 6: Final answer
    x = 263,747,379.91

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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.