Home / 555,436,015.20-833,154,022.80-465,408,597.60

Finding the Fourth Proportional to 555,436,015.20, 833,154,022.80 and 465,408,597.60

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Solution

The fourth proportional to 555,436,015.20, 833,154,022.80 and 465,408,597.60 is: 698,112,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,436,015.20 : 833,154,022.80 = 465,408,597.60 : x
  2. Step 2: Convert to fraction form
    555,436,015.20/833,154,022.80 = 465,408,597.60/x
  3. Step 3: Cross multiply
    555,436,015.20x = 833,154,022.80 × 465,408,597.60
  4. Step 4: Simplify right side
    555,436,015.20x = 387,757,045,336,146,432
  5. Step 5: Solve for x
    x = 387,757,045,336,146,432/555,436,015.20
  6. Step 6: Final answer
    x = 698,112,896.40

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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.