Home / 722,307,895.52-996,846,370.08-409,097,828.48

Finding the Fourth Proportional to 722,307,895.52, 996,846,370.08 and 409,097,828.48

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Solution

The fourth proportional to 722,307,895.52, 996,846,370.08 and 409,097,828.48 is: 564,589,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,307,895.52 : 996,846,370.08 = 409,097,828.48 : x
  2. Step 2: Convert to fraction form
    722,307,895.52/996,846,370.08 = 409,097,828.48/x
  3. Step 3: Cross multiply
    722,307,895.52x = 996,846,370.08 × 409,097,828.48
  4. Step 4: Simplify right side
    722,307,895.52x = 407,807,685,327,898,496
  5. Step 5: Solve for x
    x = 407,807,685,327,898,496/722,307,895.52
  6. Step 6: Final answer
    x = 564,589,820.85

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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.