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Finding the Fourth Proportional to 488,809,675.70, 733,214,513.55 and 434,390,117.30

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Solution

The fourth proportional to 488,809,675.70, 733,214,513.55 and 434,390,117.30 is: 651,585,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,809,675.70 : 733,214,513.55 = 434,390,117.30 : x
  2. Step 2: Convert to fraction form
    488,809,675.70/733,214,513.55 = 434,390,117.30/x
  3. Step 3: Cross multiply
    488,809,675.70x = 733,214,513.55 × 434,390,117.30
  4. Step 4: Simplify right side
    488,809,675.70x = 318,501,138,547,046,912
  5. Step 5: Solve for x
    x = 318,501,138,547,046,912/488,809,675.70
  6. Step 6: Final answer
    x = 651,585,175.95

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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.