Home / 712,722,370.40-983,694,808.32-464,773,257.44

Finding the Fourth Proportional to 712,722,370.40, 983,694,808.32 and 464,773,257.44

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Solution

The fourth proportional to 712,722,370.40, 983,694,808.32 and 464,773,257.44 is: 641,477,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,722,370.40 : 983,694,808.32 = 464,773,257.44 : x
  2. Step 2: Convert to fraction form
    712,722,370.40/983,694,808.32 = 464,773,257.44/x
  3. Step 3: Cross multiply
    712,722,370.40x = 983,694,808.32 × 464,773,257.44
  4. Step 4: Simplify right side
    712,722,370.40x = 457,195,040,389,702,848
  5. Step 5: Solve for x
    x = 457,195,040,389,702,848/712,722,370.40
  6. Step 6: Final answer
    x = 641,477,045.45

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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.