Home / 12,366,997,008.90-18,550,495,513.35-8,448,788,804.10

Finding the Fourth Proportional to 12,366,997,008.90, 18,550,495,513.35 and 8,448,788,804.10

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Solution

The fourth proportional to 12,366,997,008.90, 18,550,495,513.35 and 8,448,788,804.10 is: 12,673,183,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,997,008.90 : 18,550,495,513.35 = 8,448,788,804.10 : x
  2. Step 2: Convert to fraction form
    12,366,997,008.90/18,550,495,513.35 = 8,448,788,804.10/x
  3. Step 3: Cross multiply
    12,366,997,008.90x = 18,550,495,513.35 × 8,448,788,804.10
  4. Step 4: Simplify right side
    12,366,997,008.90x = 156,729,218,803,698,761,728
  5. Step 5: Solve for x
    x = 156,729,218,803,698,761,728/12,366,997,008.90
  6. Step 6: Final answer
    x = 12,673,183,206.15

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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.