Home / 1,308,657,196.71-1,805,952,789.23-713,939,878.89

Finding the Fourth Proportional to 1,308,657,196.71, 1,805,952,789.23 and 713,939,878.89

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Solution

The fourth proportional to 1,308,657,196.71, 1,805,952,789.23 and 713,939,878.89 is: 985,240,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,657,196.71 : 1,805,952,789.23 = 713,939,878.89 : x
  2. Step 2: Convert to fraction form
    1,308,657,196.71/1,805,952,789.23 = 713,939,878.89/x
  3. Step 3: Cross multiply
    1,308,657,196.71x = 1,805,952,789.23 × 713,939,878.89
  4. Step 4: Simplify right side
    1,308,657,196.71x = 1,289,341,715,620,354,048
  5. Step 5: Solve for x
    x = 1,289,341,715,620,354,048/1,308,657,196.71
  6. Step 6: Final answer
    x = 985,240,228.58

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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.