Home / 685,962,295.73-1,026,717,296.28-370,389,632.38

Finding the Fourth Proportional to 685,962,295.73, 1,026,717,296.28 and 370,389,632.38

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Solution

The fourth proportional to 685,962,295.73, 1,026,717,296.28 and 370,389,632.38 is: 554,382,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,962,295.73 : 1,026,717,296.28 = 370,389,632.38 : x
  2. Step 2: Convert to fraction form
    685,962,295.73/1,026,717,296.28 = 370,389,632.38/x
  3. Step 3: Cross multiply
    685,962,295.73x = 1,026,717,296.28 × 370,389,632.38
  4. Step 4: Simplify right side
    685,962,295.73x = 380,285,441,923,399,488
  5. Step 5: Solve for x
    x = 380,285,441,923,399,488/685,962,295.73
  6. Step 6: Final answer
    x = 554,382,426.39

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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.