Home / 543,213,586.83-749,592,011.40-308,264,246.54

Finding the Fourth Proportional to 543,213,586.83, 749,592,011.40 and 308,264,246.54

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Solution

The fourth proportional to 543,213,586.83, 749,592,011.40 and 308,264,246.54 is: 425,380,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,213,586.83 : 749,592,011.40 = 308,264,246.54 : x
  2. Step 2: Convert to fraction form
    543,213,586.83/749,592,011.40 = 308,264,246.54/x
  3. Step 3: Cross multiply
    543,213,586.83x = 749,592,011.40 × 308,264,246.54
  4. Step 4: Simplify right side
    543,213,586.83x = 231,072,416,605,825,824
  5. Step 5: Solve for x
    x = 231,072,416,605,825,824/543,213,586.83
  6. Step 6: Final answer
    x = 425,380,406.91

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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.