Home / 422,906,905.04-634,390,931.81-177,016,240.22

Finding the Fourth Proportional to 422,906,905.04, 634,390,931.81 and 177,016,240.22

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Solution

The fourth proportional to 422,906,905.04, 634,390,931.81 and 177,016,240.22 is: 265,537,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,906,905.04 : 634,390,931.81 = 177,016,240.22 : x
  2. Step 2: Convert to fraction form
    422,906,905.04/634,390,931.81 = 177,016,240.22/x
  3. Step 3: Cross multiply
    422,906,905.04x = 634,390,931.81 × 177,016,240.22
  4. Step 4: Simplify right side
    422,906,905.04x = 112,297,497,575,939,184
  5. Step 5: Solve for x
    x = 112,297,497,575,939,184/422,906,905.04
  6. Step 6: Final answer
    x = 265,537,157.80

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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.