Home / 466,939,519.20-699,401,509.20-386,317,951.20

Finding the Fourth Proportional to 466,939,519.20, 699,401,509.20 and 386,317,951.20

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Solution

The fourth proportional to 466,939,519.20, 699,401,509.20 and 386,317,951.20 is: 578,643,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,939,519.20 : 699,401,509.20 = 386,317,951.20 : x
  2. Step 2: Convert to fraction form
    466,939,519.20/699,401,509.20 = 386,317,951.20/x
  3. Step 3: Cross multiply
    466,939,519.20x = 699,401,509.20 × 386,317,951.20
  4. Step 4: Simplify right side
    466,939,519.20x = 270,191,358,100,331,968
  5. Step 5: Solve for x
    x = 270,191,358,100,331,968/466,939,519.20
  6. Step 6: Final answer
    x = 578,643,158.25

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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.