Home / 537,715,378.80-806,573,068.20-265,216,690.80

Finding the Fourth Proportional to 537,715,378.80, 806,573,068.20 and 265,216,690.80

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Solution

The fourth proportional to 537,715,378.80, 806,573,068.20 and 265,216,690.80 is: 397,825,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,715,378.80 : 806,573,068.20 = 265,216,690.80 : x
  2. Step 2: Convert to fraction form
    537,715,378.80/806,573,068.20 = 265,216,690.80/x
  3. Step 3: Cross multiply
    537,715,378.80x = 806,573,068.20 × 265,216,690.80
  4. Step 4: Simplify right side
    537,715,378.80x = 213,916,640,036,406,720
  5. Step 5: Solve for x
    x = 213,916,640,036,406,720/537,715,378.80
  6. Step 6: Final answer
    x = 397,825,036.20

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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.