Home / 416,153,981.52-623,566,958.52-304,974,382.21

Finding the Fourth Proportional to 416,153,981.52, 623,566,958.52 and 304,974,382.21

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Solution

The fourth proportional to 416,153,981.52, 623,566,958.52 and 304,974,382.21 is: 456,974,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,153,981.52 : 623,566,958.52 = 304,974,382.21 : x
  2. Step 2: Convert to fraction form
    416,153,981.52/623,566,958.52 = 304,974,382.21/x
  3. Step 3: Cross multiply
    416,153,981.52x = 623,566,958.52 × 304,974,382.21
  4. Step 4: Simplify right side
    416,153,981.52x = 190,171,947,939,646,752
  5. Step 5: Solve for x
    x = 190,171,947,939,646,752/416,153,981.52
  6. Step 6: Final answer
    x = 456,974,957.31

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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.