Home / 693,354,653.20-1,040,031,979.80-284,704,080.40

Finding the Fourth Proportional to 693,354,653.20, 1,040,031,979.80 and 284,704,080.40

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Solution

The fourth proportional to 693,354,653.20, 1,040,031,979.80 and 284,704,080.40 is: 427,056,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,354,653.20 : 1,040,031,979.80 = 284,704,080.40 : x
  2. Step 2: Convert to fraction form
    693,354,653.20/1,040,031,979.80 = 284,704,080.40/x
  3. Step 3: Cross multiply
    693,354,653.20x = 1,040,031,979.80 × 284,704,080.40
  4. Step 4: Simplify right side
    693,354,653.20x = 296,101,348,395,550,336
  5. Step 5: Solve for x
    x = 296,101,348,395,550,336/693,354,653.20
  6. Step 6: Final answer
    x = 427,056,120.60

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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.