Home / 495,987,460,710.54-743,376,771,917.01-257,090,403,502.86

Finding the Fourth Proportional to 495,987,460,710.54, 743,376,771,917.01 and 257,090,403,502.86

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Solution

The fourth proportional to 495,987,460,710.54, 743,376,771,917.01 and 257,090,403,502.86 is: 385,322,310,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,987,460,710.54 : 743,376,771,917.01 = 257,090,403,502.86 : x
  2. Step 2: Convert to fraction form
    495,987,460,710.54/743,376,771,917.01 = 257,090,403,502.86/x
  3. Step 3: Cross multiply
    495,987,460,710.54x = 743,376,771,917.01 × 257,090,403,502.86
  4. Step 4: Simplify right side
    495,987,460,710.54x = 191,115,034,246,797,617,790,976
  5. Step 5: Solve for x
    x = 191,115,034,246,797,617,790,976/495,987,460,710.54
  6. Step 6: Final answer
    x = 385,322,310,312.06

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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.