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Finding the Fourth Proportional to 562,537,414.80, 843,627,245.20 and 525,813,744.12

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Solution

The fourth proportional to 562,537,414.80, 843,627,245.20 and 525,813,744.12 is: 788,553,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,537,414.80 : 843,627,245.20 = 525,813,744.12 : x
  2. Step 2: Convert to fraction form
    562,537,414.80/843,627,245.20 = 525,813,744.12/x
  3. Step 3: Cross multiply
    562,537,414.80x = 843,627,245.20 × 525,813,744.12
  4. Step 4: Simplify right side
    562,537,414.80x = 443,590,800,440,253,312
  5. Step 5: Solve for x
    x = 443,590,800,440,253,312/562,537,414.80
  6. Step 6: Final answer
    x = 788,553,416.66

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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.