Home / 666,136,234.18-919,364,158.83-383,824,605.70

Finding the Fourth Proportional to 666,136,234.18, 919,364,158.83 and 383,824,605.70

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Solution

The fourth proportional to 666,136,234.18, 919,364,158.83 and 383,824,605.70 is: 529,733,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,136,234.18 : 919,364,158.83 = 383,824,605.70 : x
  2. Step 2: Convert to fraction form
    666,136,234.18/919,364,158.83 = 383,824,605.70/x
  3. Step 3: Cross multiply
    666,136,234.18x = 919,364,158.83 × 383,824,605.70
  4. Step 4: Simplify right side
    666,136,234.18x = 352,874,585,757,636,928
  5. Step 5: Solve for x
    x = 352,874,585,757,636,928/666,136,234.18
  6. Step 6: Final answer
    x = 529,733,360.31

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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.