Home / 495,987,460,709.54-743,376,771,915.51-257,090,403,501.86

Finding the Fourth Proportional to 495,987,460,709.54, 743,376,771,915.51 and 257,090,403,501.86

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Solution

The fourth proportional to 495,987,460,709.54, 743,376,771,915.51 and 257,090,403,501.86 is: 385,322,310,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,987,460,709.54 : 743,376,771,915.51 = 257,090,403,501.86 : x
  2. Step 2: Convert to fraction form
    495,987,460,709.54/743,376,771,915.51 = 257,090,403,501.86/x
  3. Step 3: Cross multiply
    495,987,460,709.54x = 743,376,771,915.51 × 257,090,403,501.86
  4. Step 4: Simplify right side
    495,987,460,709.54x = 191,115,034,245,668,611,817,472
  5. Step 5: Solve for x
    x = 191,115,034,245,668,611,817,472/495,987,460,709.54
  6. Step 6: Final answer
    x = 385,322,310,310.56

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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.