Home / 785,450,341-1,178,345,581.26-300,776,166.28

Finding the Fourth Proportional to 785,450,341, 1,178,345,581.26 and 300,776,166.28

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Solution

The fourth proportional to 785,450,341, 1,178,345,581.26 and 300,776,166.28 is: 451,229,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,450,341 : 1,178,345,581.26 = 300,776,166.28 : x
  2. Step 2: Convert to fraction form
    785,450,341/1,178,345,581.26 = 300,776,166.28/x
  3. Step 3: Cross multiply
    785,450,341x = 1,178,345,581.26 × 300,776,166.28
  4. Step 4: Simplify right side
    785,450,341x = 354,418,266,484,360,960
  5. Step 5: Solve for x
    x = 354,418,266,484,360,960/785,450,341
  6. Step 6: Final answer
    x = 451,229,375.03

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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.