Home / 369,866,394.45-510,222,111.64-228,692,486.93

Finding the Fourth Proportional to 369,866,394.45, 510,222,111.64 and 228,692,486.93

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Solution

The fourth proportional to 369,866,394.45, 510,222,111.64 and 228,692,486.93 is: 315,475,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,866,394.45 : 510,222,111.64 = 228,692,486.93 : x
  2. Step 2: Convert to fraction form
    369,866,394.45/510,222,111.64 = 228,692,486.93/x
  3. Step 3: Cross multiply
    369,866,394.45x = 510,222,111.64 × 228,692,486.93
  4. Step 4: Simplify right side
    369,866,394.45x = 116,683,963,594,504,864
  5. Step 5: Solve for x
    x = 116,683,963,594,504,864/369,866,394.45
  6. Step 6: Final answer
    x = 315,475,980.91

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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.