Home / 639,639,988,547.94-959,459,924,559.42-281,491,962,029.64

Finding the Fourth Proportional to 639,639,988,547.94, 959,459,924,559.42 and 281,491,962,029.64

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Solution

The fourth proportional to 639,639,988,547.94, 959,459,924,559.42 and 281,491,962,029.64 is: 422,237,917,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,639,988,547.94 : 959,459,924,559.42 = 281,491,962,029.64 : x
  2. Step 2: Convert to fraction form
    639,639,988,547.94/959,459,924,559.42 = 281,491,962,029.64/x
  3. Step 3: Cross multiply
    639,639,988,547.94x = 959,459,924,559.42 × 281,491,962,029.64
  4. Step 4: Simplify right side
    639,639,988,547.94x = 270,080,256,653,041,548,132,352
  5. Step 5: Solve for x
    x = 270,080,256,653,041,548,132,352/639,639,988,547.94
  6. Step 6: Final answer
    x = 422,237,917,404.38

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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.