Home / 12,663,036,006.90-18,994,554,010.35-6,132,688,998.90

Finding the Fourth Proportional to 12,663,036,006.90, 18,994,554,010.35 and 6,132,688,998.90

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Solution

The fourth proportional to 12,663,036,006.90, 18,994,554,010.35 and 6,132,688,998.90 is: 9,199,033,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663,036,006.90 : 18,994,554,010.35 = 6,132,688,998.90 : x
  2. Step 2: Convert to fraction form
    12,663,036,006.90/18,994,554,010.35 = 6,132,688,998.90/x
  3. Step 3: Cross multiply
    12,663,036,006.90x = 18,994,554,010.35 × 6,132,688,998.90
  4. Step 4: Simplify right side
    12,663,036,006.90x = 116,487,692,418,285,305,856
  5. Step 5: Solve for x
    x = 116,487,692,418,285,305,856/12,663,036,006.90
  6. Step 6: Final answer
    x = 9,199,033,498.35

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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.