Home / 1,308,657,194.52-1,805,952,786.21-713,939,876.70

Finding the Fourth Proportional to 1,308,657,194.52, 1,805,952,786.21 and 713,939,876.70

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Solution

The fourth proportional to 1,308,657,194.52, 1,805,952,786.21 and 713,939,876.70 is: 985,240,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,657,194.52 : 1,805,952,786.21 = 713,939,876.70 : x
  2. Step 2: Convert to fraction form
    1,308,657,194.52/1,805,952,786.21 = 713,939,876.70/x
  3. Step 3: Cross multiply
    1,308,657,194.52x = 1,805,952,786.21 × 713,939,876.70
  4. Step 4: Simplify right side
    1,308,657,194.52x = 1,289,341,709,515,518,976
  5. Step 5: Solve for x
    x = 1,289,341,709,515,518,976/1,308,657,194.52
  6. Step 6: Final answer
    x = 985,240,225.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.