Home / 2,980,340,762.77-4,112,684,937.19-1,642,155,966.32

Finding the Fourth Proportional to 2,980,340,762.77, 4,112,684,937.19 and 1,642,155,966.32

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Solution

The fourth proportional to 2,980,340,762.77, 4,112,684,937.19 and 1,642,155,966.32 is: 2,266,073,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,340,762.77 : 4,112,684,937.19 = 1,642,155,966.32 : x
  2. Step 2: Convert to fraction form
    2,980,340,762.77/4,112,684,937.19 = 1,642,155,966.32/x
  3. Step 3: Cross multiply
    2,980,340,762.77x = 4,112,684,937.19 × 1,642,155,966.32
  4. Step 4: Simplify right side
    2,980,340,762.77x = 6,753,670,107,173,328,896
  5. Step 5: Solve for x
    x = 6,753,670,107,173,328,896/2,980,340,762.77
  6. Step 6: Final answer
    x = 2,266,073,125.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.