Home / 852,185,639.72-1,277,148,409.32-437,645,716.50

Finding the Fourth Proportional to 852,185,639.72, 1,277,148,409.32 and 437,645,716.50

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Solution

The fourth proportional to 852,185,639.72, 1,277,148,409.32 and 437,645,716.50 is: 655,888,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,185,639.72 : 1,277,148,409.32 = 437,645,716.50 : x
  2. Step 2: Convert to fraction form
    852,185,639.72/1,277,148,409.32 = 437,645,716.50/x
  3. Step 3: Cross multiply
    852,185,639.72x = 1,277,148,409.32 × 437,645,716.50
  4. Step 4: Simplify right side
    852,185,639.72x = 558,938,530,673,686,656
  5. Step 5: Solve for x
    x = 558,938,530,673,686,656/852,185,639.72
  6. Step 6: Final answer
    x = 655,888,229.77

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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.