Home / 12,607,056,764.18-18,910,585,147.57-4,212,962,395.40

Finding the Fourth Proportional to 12,607,056,764.18, 18,910,585,147.57 and 4,212,962,395.40

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Solution

The fourth proportional to 12,607,056,764.18, 18,910,585,147.57 and 4,212,962,395.40 is: 6,319,443,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,056,764.18 : 18,910,585,147.57 = 4,212,962,395.40 : x
  2. Step 2: Convert to fraction form
    12,607,056,764.18/18,910,585,147.57 = 4,212,962,395.40/x
  3. Step 3: Cross multiply
    12,607,056,764.18x = 18,910,585,147.57 × 4,212,962,395.40
  4. Step 4: Simplify right side
    12,607,056,764.18x = 79,669,584,101,709,955,072
  5. Step 5: Solve for x
    x = 79,669,584,101,709,955,072/12,607,056,764.18
  6. Step 6: Final answer
    x = 6,319,443,593.54

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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.