Home / 8,133,014,573.20-12,199,521,859.80-7,788,640,805.20

Finding the Fourth Proportional to 8,133,014,573.20, 12,199,521,859.80 and 7,788,640,805.20

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Solution

The fourth proportional to 8,133,014,573.20, 12,199,521,859.80 and 7,788,640,805.20 is: 11,682,961,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133,014,573.20 : 12,199,521,859.80 = 7,788,640,805.20 : x
  2. Step 2: Convert to fraction form
    8,133,014,573.20/12,199,521,859.80 = 7,788,640,805.20/x
  3. Step 3: Cross multiply
    8,133,014,573.20x = 12,199,521,859.80 × 7,788,640,805.20
  4. Step 4: Simplify right side
    8,133,014,573.20x = 95,017,693,761,167,671,296
  5. Step 5: Solve for x
    x = 95,017,693,761,167,671,296/8,133,014,573.20
  6. Step 6: Final answer
    x = 11,682,961,207.80

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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.