Home / 12,366,997,007.90-18,550,495,511.85-8,448,788,803.10

Finding the Fourth Proportional to 12,366,997,007.90, 18,550,495,511.85 and 8,448,788,803.10

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Solution

The fourth proportional to 12,366,997,007.90, 18,550,495,511.85 and 8,448,788,803.10 is: 12,673,183,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,997,007.90 : 18,550,495,511.85 = 8,448,788,803.10 : x
  2. Step 2: Convert to fraction form
    12,366,997,007.90/18,550,495,511.85 = 8,448,788,803.10/x
  3. Step 3: Cross multiply
    12,366,997,007.90x = 18,550,495,511.85 × 8,448,788,803.10
  4. Step 4: Simplify right side
    12,366,997,007.90x = 156,729,218,772,475,084,800
  5. Step 5: Solve for x
    x = 156,729,218,772,475,084,800/12,366,997,007.90
  6. Step 6: Final answer
    x = 12,673,183,204.65

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Double scale
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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.