Home / 2,989,224,078.30-4,483,836,117.45-1,331,128,158.30

Finding the Fourth Proportional to 2,989,224,078.30, 4,483,836,117.45 and 1,331,128,158.30

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Solution

The fourth proportional to 2,989,224,078.30, 4,483,836,117.45 and 1,331,128,158.30 is: 1,996,692,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,224,078.30 : 4,483,836,117.45 = 1,331,128,158.30 : x
  2. Step 2: Convert to fraction form
    2,989,224,078.30/4,483,836,117.45 = 1,331,128,158.30/x
  3. Step 3: Cross multiply
    2,989,224,078.30x = 4,483,836,117.45 × 1,331,128,158.30
  4. Step 4: Simplify right side
    2,989,224,078.30x = 5,968,560,513,140,240,384
  5. Step 5: Solve for x
    x = 5,968,560,513,140,240,384/2,989,224,078.30
  6. Step 6: Final answer
    x = 1,996,692,237.45

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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.