Home / 393,434,312.37-542,946,908.28-214,825,282.41

Finding the Fourth Proportional to 393,434,312.37, 542,946,908.28 and 214,825,282.41

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Solution

The fourth proportional to 393,434,312.37, 542,946,908.28 and 214,825,282.41 is: 296,463,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,434,312.37 : 542,946,908.28 = 214,825,282.41 : x
  2. Step 2: Convert to fraction form
    393,434,312.37/542,946,908.28 = 214,825,282.41/x
  3. Step 3: Cross multiply
    393,434,312.37x = 542,946,908.28 × 214,825,282.41
  4. Step 4: Simplify right side
    393,434,312.37x = 116,638,722,904,887,360
  5. Step 5: Solve for x
    x = 116,638,722,904,887,360/393,434,312.37
  6. Step 6: Final answer
    x = 296,463,016.16

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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.