Home / 6,315,743,999.20-9,473,615,998.80-1,720,314,623.20

Finding the Fourth Proportional to 6,315,743,999.20, 9,473,615,998.80 and 1,720,314,623.20

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Solution

The fourth proportional to 6,315,743,999.20, 9,473,615,998.80 and 1,720,314,623.20 is: 2,580,471,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,743,999.20 : 9,473,615,998.80 = 1,720,314,623.20 : x
  2. Step 2: Convert to fraction form
    6,315,743,999.20/9,473,615,998.80 = 1,720,314,623.20/x
  3. Step 3: Cross multiply
    6,315,743,999.20x = 9,473,615,998.80 × 1,720,314,623.20
  4. Step 4: Simplify right side
    6,315,743,999.20x = 16,297,600,137,317,111,808
  5. Step 5: Solve for x
    x = 16,297,600,137,317,111,808/6,315,743,999.20
  6. Step 6: Final answer
    x = 2,580,471,934.80

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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.