Home / 485,994,051.54-670,538,896.74-277,073,965.62

Finding the Fourth Proportional to 485,994,051.54, 670,538,896.74 and 277,073,965.62

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Solution

The fourth proportional to 485,994,051.54, 670,538,896.74 and 277,073,965.62 is: 382,286,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,994,051.54 : 670,538,896.74 = 277,073,965.62 : x
  2. Step 2: Convert to fraction form
    485,994,051.54/670,538,896.74 = 277,073,965.62/x
  3. Step 3: Cross multiply
    485,994,051.54x = 670,538,896.74 × 277,073,965.62
  4. Step 4: Simplify right side
    485,994,051.54x = 185,788,871,222,211,488
  5. Step 5: Solve for x
    x = 185,788,871,222,211,488/485,994,051.54
  6. Step 6: Final answer
    x = 382,286,307.07

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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.