Home / 422,906,904.66-634,390,931.25-177,016,239.84

Finding the Fourth Proportional to 422,906,904.66, 634,390,931.25 and 177,016,239.84

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Solution

The fourth proportional to 422,906,904.66, 634,390,931.25 and 177,016,239.84 is: 265,537,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,906,904.66 : 634,390,931.25 = 177,016,239.84 : x
  2. Step 2: Convert to fraction form
    422,906,904.66/634,390,931.25 = 177,016,239.84/x
  3. Step 3: Cross multiply
    422,906,904.66x = 634,390,931.25 × 177,016,239.84
  4. Step 4: Simplify right side
    422,906,904.66x = 112,297,497,238,470,960
  5. Step 5: Solve for x
    x = 112,297,497,238,470,960/422,906,904.66
  6. Step 6: Final answer
    x = 265,537,157.24

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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.