Home / 1,858,294,245.12-2,787,441,366.72-693,853,672.96

Finding the Fourth Proportional to 1,858,294,245.12, 2,787,441,366.72 and 693,853,672.96

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Solution

The fourth proportional to 1,858,294,245.12, 2,787,441,366.72 and 693,853,672.96 is: 1,040,780,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,294,245.12 : 2,787,441,366.72 = 693,853,672.96 : x
  2. Step 2: Convert to fraction form
    1,858,294,245.12/2,787,441,366.72 = 693,853,672.96/x
  3. Step 3: Cross multiply
    1,858,294,245.12x = 2,787,441,366.72 × 693,853,672.96
  4. Step 4: Simplify right side
    1,858,294,245.12x = 1,934,076,430,459,314,176
  5. Step 5: Solve for x
    x = 1,934,076,430,459,314,176/1,858,294,245.12
  6. Step 6: Final answer
    x = 1,040,780,509.08

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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.