Home / 369,096,688.83-552,283,007.40-221,634,055.88

Finding the Fourth Proportional to 369,096,688.83, 552,283,007.40 and 221,634,055.88

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Solution

The fourth proportional to 369,096,688.83, 552,283,007.40 and 221,634,055.88 is: 331,633,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,096,688.83 : 552,283,007.40 = 221,634,055.88 : x
  2. Step 2: Convert to fraction form
    369,096,688.83/552,283,007.40 = 221,634,055.88/x
  3. Step 3: Cross multiply
    369,096,688.83x = 552,283,007.40 × 221,634,055.88
  4. Step 4: Simplify right side
    369,096,688.83x = 122,404,722,922,167,520
  5. Step 5: Solve for x
    x = 122,404,722,922,167,520/369,096,688.83
  6. Step 6: Final answer
    x = 331,633,218.69

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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.