Home / 12,747,997,230.30-19,121,995,845.45-4,465,808,109.90

Finding the Fourth Proportional to 12,747,997,230.30, 19,121,995,845.45 and 4,465,808,109.90

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Solution

The fourth proportional to 12,747,997,230.30, 19,121,995,845.45 and 4,465,808,109.90 is: 6,698,712,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,997,230.30 : 19,121,995,845.45 = 4,465,808,109.90 : x
  2. Step 2: Convert to fraction form
    12,747,997,230.30/19,121,995,845.45 = 4,465,808,109.90/x
  3. Step 3: Cross multiply
    12,747,997,230.30x = 19,121,995,845.45 × 4,465,808,109.90
  4. Step 4: Simplify right side
    12,747,997,230.30x = 85,395,164,124,084,715,520
  5. Step 5: Solve for x
    x = 85,395,164,124,084,715,520/12,747,997,230.30
  6. Step 6: Final answer
    x = 6,698,712,164.85

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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.