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Finding the Fourth Proportional to 807,602,787.72, 1,114,492,635.54 and 436,325,114.34

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Solution

The fourth proportional to 807,602,787.72, 1,114,492,635.54 and 436,325,114.34 is: 602,129,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,602,787.72 : 1,114,492,635.54 = 436,325,114.34 : x
  2. Step 2: Convert to fraction form
    807,602,787.72/1,114,492,635.54 = 436,325,114.34/x
  3. Step 3: Cross multiply
    807,602,787.72x = 1,114,492,635.54 × 436,325,114.34
  4. Step 4: Simplify right side
    807,602,787.72x = 486,281,126,633,078,400
  5. Step 5: Solve for x
    x = 486,281,126,633,078,400/807,602,787.72
  6. Step 6: Final answer
    x = 602,129,083.79

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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.