Home / 624,299,246.80-936,448,870.20-393,520,008.40

Finding the Fourth Proportional to 624,299,246.80, 936,448,870.20 and 393,520,008.40

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Solution

The fourth proportional to 624,299,246.80, 936,448,870.20 and 393,520,008.40 is: 590,280,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,299,246.80 : 936,448,870.20 = 393,520,008.40 : x
  2. Step 2: Convert to fraction form
    624,299,246.80/936,448,870.20 = 393,520,008.40/x
  3. Step 3: Cross multiply
    624,299,246.80x = 936,448,870.20 × 393,520,008.40
  4. Step 4: Simplify right side
    624,299,246.80x = 368,511,367,267,274,496
  5. Step 5: Solve for x
    x = 368,511,367,267,274,496/624,299,246.80
  6. Step 6: Final answer
    x = 590,280,012.60

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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.