Home / 12,109,373,946.90-18,164,060,920.35-8,844,200,442.90

Finding the Fourth Proportional to 12,109,373,946.90, 18,164,060,920.35 and 8,844,200,442.90

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Solution

The fourth proportional to 12,109,373,946.90, 18,164,060,920.35 and 8,844,200,442.90 is: 13,266,300,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,373,946.90 : 18,164,060,920.35 = 8,844,200,442.90 : x
  2. Step 2: Convert to fraction form
    12,109,373,946.90/18,164,060,920.35 = 8,844,200,442.90/x
  3. Step 3: Cross multiply
    12,109,373,946.90x = 18,164,060,920.35 × 8,844,200,442.90
  4. Step 4: Simplify right side
    12,109,373,946.90x = 160,646,595,636,622,032,896
  5. Step 5: Solve for x
    x = 160,646,595,636,622,032,896/12,109,373,946.90
  6. Step 6: Final answer
    x = 13,266,300,664.35

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Double scale
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Similar ratio
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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.