Home / 809,154,569.76-1,116,633,269.70-437,876,611.26

Finding the Fourth Proportional to 809,154,569.76, 1,116,633,269.70 and 437,876,611.26

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Solution

The fourth proportional to 809,154,569.76, 1,116,633,269.70 and 437,876,611.26 is: 604,269,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,154,569.76 : 1,116,633,269.70 = 437,876,611.26 : x
  2. Step 2: Convert to fraction form
    809,154,569.76/1,116,633,269.70 = 437,876,611.26/x
  3. Step 3: Cross multiply
    809,154,569.76x = 1,116,633,269.70 × 437,876,611.26
  4. Step 4: Simplify right side
    809,154,569.76x = 488,947,592,156,409,664
  5. Step 5: Solve for x
    x = 488,947,592,156,409,664/809,154,569.76
  6. Step 6: Final answer
    x = 604,269,703.75

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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.