Home / 13,463,172,221.70-20,194,758,332.55-12,739,987,308.90

Finding the Fourth Proportional to 13,463,172,221.70, 20,194,758,332.55 and 12,739,987,308.90

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Solution

The fourth proportional to 13,463,172,221.70, 20,194,758,332.55 and 12,739,987,308.90 is: 19,109,980,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463,172,221.70 : 20,194,758,332.55 = 12,739,987,308.90 : x
  2. Step 2: Convert to fraction form
    13,463,172,221.70/20,194,758,332.55 = 12,739,987,308.90/x
  3. Step 3: Cross multiply
    13,463,172,221.70x = 20,194,758,332.55 × 12,739,987,308.90
  4. Step 4: Simplify right side
    13,463,172,221.70x = 257,280,964,862,989,500,416
  5. Step 5: Solve for x
    x = 257,280,964,862,989,500,416/13,463,172,221.70
  6. Step 6: Final answer
    x = 19,109,980,963.35

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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.