Home / 2,980,369,338.83-4,112,997,419.98-1,642,345,619.25

Finding the Fourth Proportional to 2,980,369,338.83, 4,112,997,419.98 and 1,642,345,619.25

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Solution

The fourth proportional to 2,980,369,338.83, 4,112,997,419.98 and 1,642,345,619.25 is: 2,266,485,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,369,338.83 : 4,112,997,419.98 = 1,642,345,619.25 : x
  2. Step 2: Convert to fraction form
    2,980,369,338.83/4,112,997,419.98 = 1,642,345,619.25/x
  3. Step 3: Cross multiply
    2,980,369,338.83x = 4,112,997,419.98 × 1,642,345,619.25
  4. Step 4: Simplify right side
    2,980,369,338.83x = 6,754,963,294,661,927,936
  5. Step 5: Solve for x
    x = 6,754,963,294,661,927,936/2,980,369,338.83
  6. Step 6: Final answer
    x = 2,266,485,299.88

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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.