Home / 1,127,797,286.96-1,692,042,326.76-538,339,703.60

Finding the Fourth Proportional to 1,127,797,286.96, 1,692,042,326.76 and 538,339,703.60

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Solution

The fourth proportional to 1,127,797,286.96, 1,692,042,326.76 and 538,339,703.60 is: 807,674,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,797,286.96 : 1,692,042,326.76 = 538,339,703.60 : x
  2. Step 2: Convert to fraction form
    1,127,797,286.96/1,692,042,326.76 = 538,339,703.60/x
  3. Step 3: Cross multiply
    1,127,797,286.96x = 1,692,042,326.76 × 538,339,703.60
  4. Step 4: Simplify right side
    1,127,797,286.96x = 910,893,564,666,632,832
  5. Step 5: Solve for x
    x = 910,893,564,666,632,832/1,127,797,286.96
  6. Step 6: Final answer
    x = 807,674,903.28

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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.