Home / 762,899,403.52-1,144,144,223.04-210,070,214.32

Finding the Fourth Proportional to 762,899,403.52, 1,144,144,223.04 and 210,070,214.32

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Solution

The fourth proportional to 762,899,403.52, 1,144,144,223.04 and 210,070,214.32 is: 315,048,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,899,403.52 : 1,144,144,223.04 = 210,070,214.32 : x
  2. Step 2: Convert to fraction form
    762,899,403.52/1,144,144,223.04 = 210,070,214.32/x
  3. Step 3: Cross multiply
    762,899,403.52x = 1,144,144,223.04 × 210,070,214.32
  4. Step 4: Simplify right side
    762,899,403.52x = 240,350,622,147,002,656
  5. Step 5: Solve for x
    x = 240,350,622,147,002,656/762,899,403.52
  6. Step 6: Final answer
    x = 315,048,905.58

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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.