Home / 595,284,500.85-821,538,576.39-357,138,615.39

Finding the Fourth Proportional to 595,284,500.85, 821,538,576.39 and 357,138,615.39

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Solution

The fourth proportional to 595,284,500.85, 821,538,576.39 and 357,138,615.39 is: 492,878,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,284,500.85 : 821,538,576.39 = 357,138,615.39 : x
  2. Step 2: Convert to fraction form
    595,284,500.85/821,538,576.39 = 357,138,615.39/x
  3. Step 3: Cross multiply
    595,284,500.85x = 821,538,576.39 × 357,138,615.39
  4. Step 4: Simplify right side
    595,284,500.85x = 293,403,149,661,396,352
  5. Step 5: Solve for x
    x = 293,403,149,661,396,352/595,284,500.85
  6. Step 6: Final answer
    x = 492,878,865.89

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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.