Home / 850,375,472.57-1,173,518,142.39-459,234,896.57

Finding the Fourth Proportional to 850,375,472.57, 1,173,518,142.39 and 459,234,896.57

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Solution

The fourth proportional to 850,375,472.57, 1,173,518,142.39 and 459,234,896.57 is: 633,744,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,375,472.57 : 1,173,518,142.39 = 459,234,896.57 : x
  2. Step 2: Convert to fraction form
    850,375,472.57/1,173,518,142.39 = 459,234,896.57/x
  3. Step 3: Cross multiply
    850,375,472.57x = 1,173,518,142.39 × 459,234,896.57
  4. Step 4: Simplify right side
    850,375,472.57x = 538,920,482,737,622,656
  5. Step 5: Solve for x
    x = 538,920,482,737,622,656/850,375,472.57
  6. Step 6: Final answer
    x = 633,744,151.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.