Home / 369,866,393.30-510,222,110.09-228,692,485.82

Finding the Fourth Proportional to 369,866,393.30, 510,222,110.09 and 228,692,485.82

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Solution

The fourth proportional to 369,866,393.30, 510,222,110.09 and 228,692,485.82 is: 315,475,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,866,393.30 : 510,222,110.09 = 228,692,485.82 : x
  2. Step 2: Convert to fraction form
    369,866,393.30/510,222,110.09 = 228,692,485.82/x
  3. Step 3: Cross multiply
    369,866,393.30x = 510,222,110.09 × 228,692,485.82
  4. Step 4: Simplify right side
    369,866,393.30x = 116,683,962,676,939,888
  5. Step 5: Solve for x
    x = 116,683,962,676,939,888/369,866,393.30
  6. Step 6: Final answer
    x = 315,475,979.41

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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.