Home / 268,475,280.40-403,015,666.20-177,776,016.40

Finding the Fourth Proportional to 268,475,280.40, 403,015,666.20 and 177,776,016.40

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Solution

The fourth proportional to 268,475,280.40, 403,015,666.20 and 177,776,016.40 is: 266,864,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,475,280.40 : 403,015,666.20 = 177,776,016.40 : x
  2. Step 2: Convert to fraction form
    268,475,280.40/403,015,666.20 = 177,776,016.40/x
  3. Step 3: Cross multiply
    268,475,280.40x = 403,015,666.20 × 177,776,016.40
  4. Step 4: Simplify right side
    268,475,280.40x = 71,646,519,683,828,128
  5. Step 5: Solve for x
    x = 71,646,519,683,828,128/268,475,280.40
  6. Step 6: Final answer
    x = 266,864,493.36

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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.