Home / 3,130,714,131.60-4,696,071,197.40-1,289,519,072.40

Finding the Fourth Proportional to 3,130,714,131.60, 4,696,071,197.40 and 1,289,519,072.40

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Solution

The fourth proportional to 3,130,714,131.60, 4,696,071,197.40 and 1,289,519,072.40 is: 1,934,278,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,714,131.60 : 4,696,071,197.40 = 1,289,519,072.40 : x
  2. Step 2: Convert to fraction form
    3,130,714,131.60/4,696,071,197.40 = 1,289,519,072.40/x
  3. Step 3: Cross multiply
    3,130,714,131.60x = 4,696,071,197.40 × 1,289,519,072.40
  4. Step 4: Simplify right side
    3,130,714,131.60x = 6,055,673,374,395,604,992
  5. Step 5: Solve for x
    x = 6,055,673,374,395,604,992/3,130,714,131.60
  6. Step 6: Final answer
    x = 1,934,278,608.60

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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.