Home / 1,853,566,277.80-2,780,349,416.70-979,830,034.60

Finding the Fourth Proportional to 1,853,566,277.80, 2,780,349,416.70 and 979,830,034.60

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Solution

The fourth proportional to 1,853,566,277.80, 2,780,349,416.70 and 979,830,034.60 is: 1,469,745,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,566,277.80 : 2,780,349,416.70 = 979,830,034.60 : x
  2. Step 2: Convert to fraction form
    1,853,566,277.80/2,780,349,416.70 = 979,830,034.60/x
  3. Step 3: Cross multiply
    1,853,566,277.80x = 2,780,349,416.70 × 979,830,034.60
  4. Step 4: Simplify right side
    1,853,566,277.80x = 2,724,269,865,165,250,560
  5. Step 5: Solve for x
    x = 2,724,269,865,165,250,560/1,853,566,277.80
  6. Step 6: Final answer
    x = 1,469,745,051.90

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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.