Home / 683,319,174.85-1,026,613,933.60-438,156,139.51

Finding the Fourth Proportional to 683,319,174.85, 1,026,613,933.60 and 438,156,139.51

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Solution

The fourth proportional to 683,319,174.85, 1,026,613,933.60 and 438,156,139.51 is: 658,282,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,319,174.85 : 1,026,613,933.60 = 438,156,139.51 : x
  2. Step 2: Convert to fraction form
    683,319,174.85/1,026,613,933.60 = 438,156,139.51/x
  3. Step 3: Cross multiply
    683,319,174.85x = 1,026,613,933.60 × 438,156,139.51
  4. Step 4: Simplify right side
    683,319,174.85x = 449,817,197,913,351,488
  5. Step 5: Solve for x
    x = 449,817,197,913,351,488/683,319,174.85
  6. Step 6: Final answer
    x = 658,282,709.56

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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.