Home / 1,053,075,857.34-1,579,241,194.71-305,936,189.20

Finding the Fourth Proportional to 1,053,075,857.34, 1,579,241,194.71 and 305,936,189.20

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Solution

The fourth proportional to 1,053,075,857.34, 1,579,241,194.71 and 305,936,189.20 is: 458,796,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,075,857.34 : 1,579,241,194.71 = 305,936,189.20 : x
  2. Step 2: Convert to fraction form
    1,053,075,857.34/1,579,241,194.71 = 305,936,189.20/x
  3. Step 3: Cross multiply
    1,053,075,857.34x = 1,579,241,194.71 × 305,936,189.20
  4. Step 4: Simplify right side
    1,053,075,857.34x = 483,147,032,937,622,656
  5. Step 5: Solve for x
    x = 483,147,032,937,622,656/1,053,075,857.34
  6. Step 6: Final answer
    x = 458,796,039.78

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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.