Home / 373,224,831.47-515,050,489.01-208,212,400.97

Finding the Fourth Proportional to 373,224,831.47, 515,050,489.01 and 208,212,400.97

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Solution

The fourth proportional to 373,224,831.47, 515,050,489.01 and 208,212,400.97 is: 287,333,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,224,831.47 : 515,050,489.01 = 208,212,400.97 : x
  2. Step 2: Convert to fraction form
    373,224,831.47/515,050,489.01 = 208,212,400.97/x
  3. Step 3: Cross multiply
    373,224,831.47x = 515,050,489.01 × 208,212,400.97
  4. Step 4: Simplify right side
    373,224,831.47x = 107,239,898,937,426,576
  5. Step 5: Solve for x
    x = 107,239,898,937,426,576/373,224,831.47
  6. Step 6: Final answer
    x = 287,333,236.95

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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.