Home / 559,872,878.20-839,809,317.30-414,754,055.80

Finding the Fourth Proportional to 559,872,878.20, 839,809,317.30 and 414,754,055.80

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Solution

The fourth proportional to 559,872,878.20, 839,809,317.30 and 414,754,055.80 is: 622,131,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,878.20 : 839,809,317.30 = 414,754,055.80 : x
  2. Step 2: Convert to fraction form
    559,872,878.20/839,809,317.30 = 414,754,055.80/x
  3. Step 3: Cross multiply
    559,872,878.20x = 839,809,317.30 × 414,754,055.80
  4. Step 4: Simplify right side
    559,872,878.20x = 348,314,320,448,804,096
  5. Step 5: Solve for x
    x = 348,314,320,448,804,096/559,872,878.20
  6. Step 6: Final answer
    x = 622,131,083.70

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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.