Home / 2,989,227,130.80-4,483,840,696.20-1,331,131,210.80

Finding the Fourth Proportional to 2,989,227,130.80, 4,483,840,696.20 and 1,331,131,210.80

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Solution

The fourth proportional to 2,989,227,130.80, 4,483,840,696.20 and 1,331,131,210.80 is: 1,996,696,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,227,130.80 : 4,483,840,696.20 = 1,331,131,210.80 : x
  2. Step 2: Convert to fraction form
    2,989,227,130.80/4,483,840,696.20 = 1,331,131,210.80/x
  3. Step 3: Cross multiply
    2,989,227,130.80x = 4,483,840,696.20 × 1,331,131,210.80
  4. Step 4: Simplify right side
    2,989,227,130.80x = 5,968,580,294,967,020,544
  5. Step 5: Solve for x
    x = 5,968,580,294,967,020,544/2,989,227,130.80
  6. Step 6: Final answer
    x = 1,996,696,816.20

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Double scale
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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.