Home / 372,616,878.54-558,208,965.96-208,356,433.41

Finding the Fourth Proportional to 372,616,878.54, 558,208,965.96 and 208,356,433.41

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Solution

The fourth proportional to 372,616,878.54, 558,208,965.96 and 208,356,433.41 is: 312,134,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,616,878.54 : 558,208,965.96 = 208,356,433.41 : x
  2. Step 2: Convert to fraction form
    372,616,878.54/558,208,965.96 = 208,356,433.41/x
  3. Step 3: Cross multiply
    372,616,878.54x = 558,208,965.96 × 208,356,433.41
  4. Step 4: Simplify right side
    372,616,878.54x = 116,306,429,244,909,696
  5. Step 5: Solve for x
    x = 116,306,429,244,909,696/372,616,878.54
  6. Step 6: Final answer
    x = 312,134,087.16

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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.