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Finding the Fourth Proportional to 616,382,643.16, 850,607,842.35 and 337,918,187.98

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Solution

The fourth proportional to 616,382,643.16, 850,607,842.35 and 337,918,187.98 is: 466,326,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,382,643.16 : 850,607,842.35 = 337,918,187.98 : x
  2. Step 2: Convert to fraction form
    616,382,643.16/850,607,842.35 = 337,918,187.98/x
  3. Step 3: Cross multiply
    616,382,643.16x = 850,607,842.35 × 337,918,187.98
  4. Step 4: Simplify right side
    616,382,643.16x = 287,435,860,768,489,536
  5. Step 5: Solve for x
    x = 287,435,860,768,489,536/616,382,643.16
  6. Step 6: Final answer
    x = 466,326,986.91

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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.