Home / 545,237,809.05-817,569,735.42-372,763,946.91

Finding the Fourth Proportional to 545,237,809.05, 817,569,735.42 and 372,763,946.91

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Solution

The fourth proportional to 545,237,809.05, 817,569,735.42 and 372,763,946.91 is: 558,949,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,237,809.05 : 817,569,735.42 = 372,763,946.91 : x
  2. Step 2: Convert to fraction form
    545,237,809.05/817,569,735.42 = 372,763,946.91/x
  3. Step 3: Cross multiply
    545,237,809.05x = 817,569,735.42 × 372,763,946.91
  4. Step 4: Simplify right side
    545,237,809.05x = 304,760,521,449,323,648
  5. Step 5: Solve for x
    x = 304,760,521,449,323,648/545,237,809.05
  6. Step 6: Final answer
    x = 558,949,721.37

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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.