Home / 621,087,880.20-930,840,563.70-330,094,408.20

Finding the Fourth Proportional to 621,087,880.20, 930,840,563.70 and 330,094,408.20

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Solution

The fourth proportional to 621,087,880.20, 930,840,563.70 and 330,094,408.20 is: 494,721,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,087,880.20 : 930,840,563.70 = 330,094,408.20 : x
  2. Step 2: Convert to fraction form
    621,087,880.20/930,840,563.70 = 330,094,408.20/x
  3. Step 3: Cross multiply
    621,087,880.20x = 930,840,563.70 × 330,094,408.20
  4. Step 4: Simplify right side
    621,087,880.20x = 307,265,265,003,105,920
  5. Step 5: Solve for x
    x = 307,265,265,003,105,920/621,087,880.20
  6. Step 6: Final answer
    x = 494,721,077.00

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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.