Home / 693,354,803.20-1,040,032,204.80-284,704,230.40

Finding the Fourth Proportional to 693,354,803.20, 1,040,032,204.80 and 284,704,230.40

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Solution

The fourth proportional to 693,354,803.20, 1,040,032,204.80 and 284,704,230.40 is: 427,056,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,354,803.20 : 1,040,032,204.80 = 284,704,230.40 : x
  2. Step 2: Convert to fraction form
    693,354,803.20/1,040,032,204.80 = 284,704,230.40/x
  3. Step 3: Cross multiply
    693,354,803.20x = 1,040,032,204.80 × 284,704,230.40
  4. Step 4: Simplify right side
    693,354,803.20x = 296,101,568,458,799,168
  5. Step 5: Solve for x
    x = 296,101,568,458,799,168/693,354,803.20
  6. Step 6: Final answer
    x = 427,056,345.60

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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.