Home / 424,340,623.20-636,510,934.80-373,322,287.20

Finding the Fourth Proportional to 424,340,623.20, 636,510,934.80 and 373,322,287.20

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Solution

The fourth proportional to 424,340,623.20, 636,510,934.80 and 373,322,287.20 is: 559,983,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,340,623.20 : 636,510,934.80 = 373,322,287.20 : x
  2. Step 2: Convert to fraction form
    424,340,623.20/636,510,934.80 = 373,322,287.20/x
  3. Step 3: Cross multiply
    424,340,623.20x = 636,510,934.80 × 373,322,287.20
  4. Step 4: Simplify right side
    424,340,623.20x = 237,623,718,007,346,048
  5. Step 5: Solve for x
    x = 237,623,718,007,346,048/424,340,623.20
  6. Step 6: Final answer
    x = 559,983,430.80

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1.5x scale

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.