Home / 560,080,214.68-772,890,435.48-309,179,217.64

Finding the Fourth Proportional to 560,080,214.68, 772,890,435.48 and 309,179,217.64

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Solution

The fourth proportional to 560,080,214.68, 772,890,435.48 and 309,179,217.64 is: 426,656,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,080,214.68 : 772,890,435.48 = 309,179,217.64 : x
  2. Step 2: Convert to fraction form
    560,080,214.68/772,890,435.48 = 309,179,217.64/x
  3. Step 3: Cross multiply
    560,080,214.68x = 772,890,435.48 × 309,179,217.64
  4. Step 4: Simplify right side
    560,080,214.68x = 238,961,660,163,145,280
  5. Step 5: Solve for x
    x = 238,961,660,163,145,280/560,080,214.68
  6. Step 6: Final answer
    x = 426,656,135.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.