Home / 13,349,448,072.40-20,024,172,108.60-8,119,312,805.20

Finding the Fourth Proportional to 13,349,448,072.40, 20,024,172,108.60 and 8,119,312,805.20

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Solution

The fourth proportional to 13,349,448,072.40, 20,024,172,108.60 and 8,119,312,805.20 is: 12,178,969,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,448,072.40 : 20,024,172,108.60 = 8,119,312,805.20 : x
  2. Step 2: Convert to fraction form
    13,349,448,072.40/20,024,172,108.60 = 8,119,312,805.20/x
  3. Step 3: Cross multiply
    13,349,448,072.40x = 20,024,172,108.60 × 8,119,312,805.20
  4. Step 4: Simplify right side
    13,349,448,072.40x = 162,582,517,014,884,646,912
  5. Step 5: Solve for x
    x = 162,582,517,014,884,646,912/13,349,448,072.40
  6. Step 6: Final answer
    x = 12,178,969,207.80

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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.