Home / 4,287,140,451.50-6,429,997,414.33-1,298,492,976.49

Finding the Fourth Proportional to 4,287,140,451.50, 6,429,997,414.33 and 1,298,492,976.49

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Solution

The fourth proportional to 4,287,140,451.50, 6,429,997,414.33 and 1,298,492,976.49 is: 1,947,523,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,140,451.50 : 6,429,997,414.33 = 1,298,492,976.49 : x
  2. Step 2: Convert to fraction form
    4,287,140,451.50/6,429,997,414.33 = 1,298,492,976.49/x
  3. Step 3: Cross multiply
    4,287,140,451.50x = 6,429,997,414.33 × 1,298,492,976.49
  4. Step 4: Simplify right side
    4,287,140,451.50x = 8,349,306,481,337,043,968
  5. Step 5: Solve for x
    x = 8,349,306,481,337,043,968/4,287,140,451.50
  6. Step 6: Final answer
    x = 1,947,523,431.01

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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.