Home / 545,237,809.55-817,569,736.17-372,763,947.41

Finding the Fourth Proportional to 545,237,809.55, 817,569,736.17 and 372,763,947.41

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Solution

The fourth proportional to 545,237,809.55, 817,569,736.17 and 372,763,947.41 is: 558,949,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,237,809.55 : 817,569,736.17 = 372,763,947.41 : x
  2. Step 2: Convert to fraction form
    545,237,809.55/817,569,736.17 = 372,763,947.41/x
  3. Step 3: Cross multiply
    545,237,809.55x = 817,569,736.17 × 372,763,947.41
  4. Step 4: Simplify right side
    545,237,809.55x = 304,760,522,137,681,472
  5. Step 5: Solve for x
    x = 304,760,522,137,681,472/545,237,809.55
  6. Step 6: Final answer
    x = 558,949,722.12

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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.