Home / 1,308,657,243.47-1,805,952,853.64-713,939,925.56

Finding the Fourth Proportional to 1,308,657,243.47, 1,805,952,853.64 and 713,939,925.56

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Solution

The fourth proportional to 1,308,657,243.47, 1,805,952,853.64 and 713,939,925.56 is: 985,240,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,657,243.47 : 1,805,952,853.64 = 713,939,925.56 : x
  2. Step 2: Convert to fraction form
    1,308,657,243.47/1,805,952,853.64 = 713,939,925.56/x
  3. Step 3: Cross multiply
    1,308,657,243.47x = 1,805,952,853.64 × 713,939,925.56
  4. Step 4: Simplify right side
    1,308,657,243.47x = 1,289,341,845,885,366,016
  5. Step 5: Solve for x
    x = 1,289,341,845,885,366,016/1,308,657,243.47
  6. Step 6: Final answer
    x = 985,240,292.92

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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.