Home / 495,987,460,708.66-743,376,771,914.20-257,090,403,500.98

Finding the Fourth Proportional to 495,987,460,708.66, 743,376,771,914.20 and 257,090,403,500.98

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Solution

The fourth proportional to 495,987,460,708.66, 743,376,771,914.20 and 257,090,403,500.98 is: 385,322,310,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,987,460,708.66 : 743,376,771,914.20 = 257,090,403,500.98 : x
  2. Step 2: Convert to fraction form
    495,987,460,708.66/743,376,771,914.20 = 257,090,403,500.98/x
  3. Step 3: Cross multiply
    495,987,460,708.66x = 743,376,771,914.20 × 257,090,403,500.98
  4. Step 4: Simplify right side
    495,987,460,708.66x = 191,115,034,244,677,648,777,216
  5. Step 5: Solve for x
    x = 191,115,034,244,677,648,777,216/495,987,460,708.66
  6. Step 6: Final answer
    x = 385,322,310,309.25

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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.