Home / 298,947,006.30-448,420,509.45-273,118,973.70

Finding the Fourth Proportional to 298,947,006.30, 448,420,509.45 and 273,118,973.70

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Solution

The fourth proportional to 298,947,006.30, 448,420,509.45 and 273,118,973.70 is: 409,678,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,947,006.30 : 448,420,509.45 = 273,118,973.70 : x
  2. Step 2: Convert to fraction form
    298,947,006.30/448,420,509.45 = 273,118,973.70/x
  3. Step 3: Cross multiply
    298,947,006.30x = 448,420,509.45 × 273,118,973.70
  4. Step 4: Simplify right side
    298,947,006.30x = 122,472,149,327,015,136
  5. Step 5: Solve for x
    x = 122,472,149,327,015,136/298,947,006.30
  6. Step 6: Final answer
    x = 409,678,460.55

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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.