Home / 12,048,576,430.60-18,072,864,645.90-4,290,989,998.60

Finding the Fourth Proportional to 12,048,576,430.60, 18,072,864,645.90 and 4,290,989,998.60

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Solution

The fourth proportional to 12,048,576,430.60, 18,072,864,645.90 and 4,290,989,998.60 is: 6,436,484,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,576,430.60 : 18,072,864,645.90 = 4,290,989,998.60 : x
  2. Step 2: Convert to fraction form
    12,048,576,430.60/18,072,864,645.90 = 4,290,989,998.60/x
  3. Step 3: Cross multiply
    12,048,576,430.60x = 18,072,864,645.90 × 4,290,989,998.60
  4. Step 4: Simplify right side
    12,048,576,430.60x = 77,550,481,441,608,433,664
  5. Step 5: Solve for x
    x = 77,550,481,441,608,433,664/12,048,576,430.60
  6. Step 6: Final answer
    x = 6,436,484,997.90

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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.