Home / 368,724,054.04-508,839,741.72-209,954,306.43

Finding the Fourth Proportional to 368,724,054.04, 508,839,741.72 and 209,954,306.43

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Solution

The fourth proportional to 368,724,054.04, 508,839,741.72 and 209,954,306.43 is: 289,737,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,724,054.04 : 508,839,741.72 = 209,954,306.43 : x
  2. Step 2: Convert to fraction form
    368,724,054.04/508,839,741.72 = 209,954,306.43/x
  3. Step 3: Cross multiply
    368,724,054.04x = 508,839,741.72 × 209,954,306.43
  4. Step 4: Simplify right side
    368,724,054.04x = 106,833,095,056,842,944
  5. Step 5: Solve for x
    x = 106,833,095,056,842,944/368,724,054.04
  6. Step 6: Final answer
    x = 289,737,254.42

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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.