Home / 570,740,847.32-787,626,400.38-309,980,463.32

Finding the Fourth Proportional to 570,740,847.32, 787,626,400.38 and 309,980,463.32

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Solution

The fourth proportional to 570,740,847.32, 787,626,400.38 and 309,980,463.32 is: 427,775,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,740,847.32 : 787,626,400.38 = 309,980,463.32 : x
  2. Step 2: Convert to fraction form
    570,740,847.32/787,626,400.38 = 309,980,463.32/x
  3. Step 3: Cross multiply
    570,740,847.32x = 787,626,400.38 × 309,980,463.32
  4. Step 4: Simplify right side
    570,740,847.32x = 244,148,796,512,856,224
  5. Step 5: Solve for x
    x = 244,148,796,512,856,224/570,740,847.32
  6. Step 6: Final answer
    x = 427,775,228.74

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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.