Home / 1,200,774,590.73-1,798,816,173.66-827,216,491.05

Finding the Fourth Proportional to 1,200,774,590.73, 1,798,816,173.66 and 827,216,491.05

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Solution

The fourth proportional to 1,200,774,590.73, 1,798,816,173.66 and 827,216,491.05 is: 1,239,208,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,774,590.73 : 1,798,816,173.66 = 827,216,491.05 : x
  2. Step 2: Convert to fraction form
    1,200,774,590.73/1,798,816,173.66 = 827,216,491.05/x
  3. Step 3: Cross multiply
    1,200,774,590.73x = 1,798,816,173.66 × 827,216,491.05
  4. Step 4: Simplify right side
    1,200,774,590.73x = 1,488,010,403,219,012,608
  5. Step 5: Solve for x
    x = 1,488,010,403,219,012,608/1,200,774,590.73
  6. Step 6: Final answer
    x = 1,239,208,769.66

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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.