Home / 1,299,305,826.40-1,948,958,739.60-993,195,810.40

Finding the Fourth Proportional to 1,299,305,826.40, 1,948,958,739.60 and 993,195,810.40

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Solution

The fourth proportional to 1,299,305,826.40, 1,948,958,739.60 and 993,195,810.40 is: 1,489,793,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,305,826.40 : 1,948,958,739.60 = 993,195,810.40 : x
  2. Step 2: Convert to fraction form
    1,299,305,826.40/1,948,958,739.60 = 993,195,810.40/x
  3. Step 3: Cross multiply
    1,299,305,826.40x = 1,948,958,739.60 × 993,195,810.40
  4. Step 4: Simplify right side
    1,299,305,826.40x = 1,935,697,654,813,184,512
  5. Step 5: Solve for x
    x = 1,935,697,654,813,184,512/1,299,305,826.40
  6. Step 6: Final answer
    x = 1,489,793,715.60

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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.