Home / 422,726,829.60-634,090,244.40-284,977,322.40

Finding the Fourth Proportional to 422,726,829.60, 634,090,244.40 and 284,977,322.40

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Solution

The fourth proportional to 422,726,829.60, 634,090,244.40 and 284,977,322.40 is: 427,465,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,726,829.60 : 634,090,244.40 = 284,977,322.40 : x
  2. Step 2: Convert to fraction form
    422,726,829.60/634,090,244.40 = 284,977,322.40/x
  3. Step 3: Cross multiply
    422,726,829.60x = 634,090,244.40 × 284,977,322.40
  4. Step 4: Simplify right side
    422,726,829.60x = 180,701,340,009,073,568
  5. Step 5: Solve for x
    x = 180,701,340,009,073,568/422,726,829.60
  6. Step 6: Final answer
    x = 427,465,983.60

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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.