Home / 5,429,943,049.20-8,144,914,573.84-2,158,392,253.20

Finding the Fourth Proportional to 5,429,943,049.20, 8,144,914,573.84 and 2,158,392,253.20

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Solution

The fourth proportional to 5,429,943,049.20, 8,144,914,573.84 and 2,158,392,253.20 is: 3,237,588,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,943,049.20 : 8,144,914,573.84 = 2,158,392,253.20 : x
  2. Step 2: Convert to fraction form
    5,429,943,049.20/8,144,914,573.84 = 2,158,392,253.20/x
  3. Step 3: Cross multiply
    5,429,943,049.20x = 8,144,914,573.84 × 2,158,392,253.20
  4. Step 4: Simplify right side
    5,429,943,049.20x = 17,579,920,519,152,033,792
  5. Step 5: Solve for x
    x = 17,579,920,519,152,033,792/5,429,943,049.20
  6. Step 6: Final answer
    x = 3,237,588,379.82

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Double scale
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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.