Home / 268,475,277.40-403,015,661.70-177,776,013.40

Finding the Fourth Proportional to 268,475,277.40, 403,015,661.70 and 177,776,013.40

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Solution

The fourth proportional to 268,475,277.40, 403,015,661.70 and 177,776,013.40 is: 266,864,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,475,277.40 : 403,015,661.70 = 177,776,013.40 : x
  2. Step 2: Convert to fraction form
    268,475,277.40/403,015,661.70 = 177,776,013.40/x
  3. Step 3: Cross multiply
    268,475,277.40x = 403,015,661.70 × 177,776,013.40
  4. Step 4: Simplify right side
    268,475,277.40x = 71,646,517,674,789,064
  5. Step 5: Solve for x
    x = 71,646,517,674,789,064/268,475,277.40
  6. Step 6: Final answer
    x = 266,864,488.86

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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.