Home / 513,459,244.44-770,221,084.32-145,023,045.48

Finding the Fourth Proportional to 513,459,244.44, 770,221,084.32 and 145,023,045.48

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Solution

The fourth proportional to 513,459,244.44, 770,221,084.32 and 145,023,045.48 is: 217,543,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,459,244.44 : 770,221,084.32 = 145,023,045.48 : x
  2. Step 2: Convert to fraction form
    513,459,244.44/770,221,084.32 = 145,023,045.48/x
  3. Step 3: Cross multiply
    513,459,244.44x = 770,221,084.32 × 145,023,045.48
  4. Step 4: Simplify right side
    513,459,244.44x = 111,699,807,340,994,272
  5. Step 5: Solve for x
    x = 111,699,807,340,994,272/513,459,244.44
  6. Step 6: Final answer
    x = 217,543,667.88

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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.