Home / 570,740,845.57-787,626,397.97-309,980,461.57

Finding the Fourth Proportional to 570,740,845.57, 787,626,397.97 and 309,980,461.57

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Solution

The fourth proportional to 570,740,845.57, 787,626,397.97 and 309,980,461.57 is: 427,775,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,740,845.57 : 787,626,397.97 = 309,980,461.57 : x
  2. Step 2: Convert to fraction form
    570,740,845.57/787,626,397.97 = 309,980,461.57/x
  3. Step 3: Cross multiply
    570,740,845.57x = 787,626,397.97 × 309,980,461.57
  4. Step 4: Simplify right side
    570,740,845.57x = 244,148,794,385,907,200
  5. Step 5: Solve for x
    x = 244,148,794,385,907,200/570,740,845.57
  6. Step 6: Final answer
    x = 427,775,226.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.