Home / 756,680,779.20-1,135,021,168.80-464,600,805.60

Finding the Fourth Proportional to 756,680,779.20, 1,135,021,168.80 and 464,600,805.60

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Solution

The fourth proportional to 756,680,779.20, 1,135,021,168.80 and 464,600,805.60 is: 696,901,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,680,779.20 : 1,135,021,168.80 = 464,600,805.60 : x
  2. Step 2: Convert to fraction form
    756,680,779.20/1,135,021,168.80 = 464,600,805.60/x
  3. Step 3: Cross multiply
    756,680,779.20x = 1,135,021,168.80 × 464,600,805.60
  4. Step 4: Simplify right side
    756,680,779.20x = 527,331,749,397,533,568
  5. Step 5: Solve for x
    x = 527,331,749,397,533,568/756,680,779.20
  6. Step 6: Final answer
    x = 696,901,208.40

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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.