Home / 570,244,997.64-786,938,419.62-309,484,613.64

Finding the Fourth Proportional to 570,244,997.64, 786,938,419.62 and 309,484,613.64

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Solution

The fourth proportional to 570,244,997.64, 786,938,419.62 and 309,484,613.64 is: 427,088,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,244,997.64 : 786,938,419.62 = 309,484,613.64 : x
  2. Step 2: Convert to fraction form
    570,244,997.64/786,938,419.62 = 309,484,613.64/x
  3. Step 3: Cross multiply
    570,244,997.64x = 786,938,419.62 × 309,484,613.64
  4. Step 4: Simplify right side
    570,244,997.64x = 243,545,332,754,567,872
  5. Step 5: Solve for x
    x = 243,545,332,754,567,872/570,244,997.64
  6. Step 6: Final answer
    x = 427,088,942.06

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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.