Home / 8,285,932,880.25-12,436,757,075.22-5,128,596,861.71

Finding the Fourth Proportional to 8,285,932,880.25, 12,436,757,075.22 and 5,128,596,861.71

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Solution

The fourth proportional to 8,285,932,880.25, 12,436,757,075.22 and 5,128,596,861.71 is: 7,697,758,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285,932,880.25 : 12,436,757,075.22 = 5,128,596,861.71 : x
  2. Step 2: Convert to fraction form
    8,285,932,880.25/12,436,757,075.22 = 5,128,596,861.71/x
  3. Step 3: Cross multiply
    8,285,932,880.25x = 12,436,757,075.22 × 5,128,596,861.71
  4. Step 4: Simplify right side
    8,285,932,880.25x = 63,783,113,305,760,743,424
  5. Step 5: Solve for x
    x = 63,783,113,305,760,743,424/8,285,932,880.25
  6. Step 6: Final answer
    x = 7,697,758,867.66

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1.5x scale

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.