Home / 382,188,662,391.96-527,433,021,617.98-208,583,307,513

Finding the Fourth Proportional to 382,188,662,391.96, 527,433,021,617.98 and 208,583,307,513

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Solution

The fourth proportional to 382,188,662,391.96, 527,433,021,617.98 and 208,583,307,513 is: 287,851,877,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,188,662,391.96 : 527,433,021,617.98 = 208,583,307,513 : x
  2. Step 2: Convert to fraction form
    382,188,662,391.96/527,433,021,617.98 = 208,583,307,513/x
  3. Step 3: Cross multiply
    382,188,662,391.96x = 527,433,021,617.98 × 208,583,307,513
  4. Step 4: Simplify right side
    382,188,662,391.96x = 110,013,724,140,653,900,726,272
  5. Step 5: Solve for x
    x = 110,013,724,140,653,900,726,272/382,188,662,391.96
  6. Step 6: Final answer
    x = 287,851,877,792.83

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1.5x scale

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.