Home / 554,945,964.81-831,897,544.53-186,222,326.74

Finding the Fourth Proportional to 554,945,964.81, 831,897,544.53 and 186,222,326.74

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Solution

The fourth proportional to 554,945,964.81, 831,897,544.53 and 186,222,326.74 is: 279,158,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,945,964.81 : 831,897,544.53 = 186,222,326.74 : x
  2. Step 2: Convert to fraction form
    554,945,964.81/831,897,544.53 = 186,222,326.74/x
  3. Step 3: Cross multiply
    554,945,964.81x = 831,897,544.53 × 186,222,326.74
  4. Step 4: Simplify right side
    554,945,964.81x = 154,917,896,351,669,376
  5. Step 5: Solve for x
    x = 154,917,896,351,669,376/554,945,964.81
  6. Step 6: Final answer
    x = 279,158,523.85

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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.