Home / 280,368,314.90-420,552,472.35-183,622,433.30

Finding the Fourth Proportional to 280,368,314.90, 420,552,472.35 and 183,622,433.30

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Solution

The fourth proportional to 280,368,314.90, 420,552,472.35 and 183,622,433.30 is: 275,433,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,368,314.90 : 420,552,472.35 = 183,622,433.30 : x
  2. Step 2: Convert to fraction form
    280,368,314.90/420,552,472.35 = 183,622,433.30/x
  3. Step 3: Cross multiply
    280,368,314.90x = 420,552,472.35 × 183,622,433.30
  4. Step 4: Simplify right side
    280,368,314.90x = 77,222,868,303,237,984
  5. Step 5: Solve for x
    x = 77,222,868,303,237,984/280,368,314.90
  6. Step 6: Final answer
    x = 275,433,649.95

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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.