Home / 565,379,905,490.65-780,223,207,093.75-308,462,976,761.53

Finding the Fourth Proportional to 565,379,905,490.65, 780,223,207,093.75 and 308,462,976,761.53

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Solution

The fourth proportional to 565,379,905,490.65, 780,223,207,093.75 and 308,462,976,761.53 is: 425,678,328,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,379,905,490.65 : 780,223,207,093.75 = 308,462,976,761.53 : x
  2. Step 2: Convert to fraction form
    565,379,905,490.65/780,223,207,093.75 = 308,462,976,761.53/x
  3. Step 3: Cross multiply
    565,379,905,490.65x = 780,223,207,093.75 × 308,462,976,761.53
  4. Step 4: Simplify right side
    565,379,905,490.65x = 240,669,972,998,565,836,881,920
  5. Step 5: Solve for x
    x = 240,669,972,998,565,836,881,920/565,379,905,490.65
  6. Step 6: Final answer
    x = 425,678,328,255.59

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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.