Home / 559,883,999.70-839,825,999.55-505,464,441.30

Finding the Fourth Proportional to 559,883,999.70, 839,825,999.55 and 505,464,441.30

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Solution

The fourth proportional to 559,883,999.70, 839,825,999.55 and 505,464,441.30 is: 758,196,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,883,999.70 : 839,825,999.55 = 505,464,441.30 : x
  2. Step 2: Convert to fraction form
    559,883,999.70/839,825,999.55 = 505,464,441.30/x
  3. Step 3: Cross multiply
    559,883,999.70x = 839,825,999.55 × 505,464,441.30
  4. Step 4: Simplify right side
    559,883,999.70x = 424,502,179,651,754,816
  5. Step 5: Solve for x
    x = 424,502,179,651,754,816/559,883,999.70
  6. Step 6: Final answer
    x = 758,196,661.95

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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.