Home / 1,553,472,056.80-2,330,208,085.20-1,420,446,469.60

Finding the Fourth Proportional to 1,553,472,056.80, 2,330,208,085.20 and 1,420,446,469.60

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Solution

The fourth proportional to 1,553,472,056.80, 2,330,208,085.20 and 1,420,446,469.60 is: 2,130,669,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,472,056.80 : 2,330,208,085.20 = 1,420,446,469.60 : x
  2. Step 2: Convert to fraction form
    1,553,472,056.80/2,330,208,085.20 = 1,420,446,469.60/x
  3. Step 3: Cross multiply
    1,553,472,056.80x = 2,330,208,085.20 × 1,420,446,469.60
  4. Step 4: Simplify right side
    1,553,472,056.80x = 3,309,935,848,055,715,328
  5. Step 5: Solve for x
    x = 3,309,935,848,055,715,328/1,553,472,056.80
  6. Step 6: Final answer
    x = 2,130,669,704.40

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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.