Home / 456,129,345.36-629,526,650.76-359,074,543.44

Finding the Fourth Proportional to 456,129,345.36, 629,526,650.76 and 359,074,543.44

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Solution

The fourth proportional to 456,129,345.36, 629,526,650.76 and 359,074,543.44 is: 495,576,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,129,345.36 : 629,526,650.76 = 359,074,543.44 : x
  2. Step 2: Convert to fraction form
    456,129,345.36/629,526,650.76 = 359,074,543.44/x
  3. Step 3: Cross multiply
    456,129,345.36x = 629,526,650.76 × 359,074,543.44
  4. Step 4: Simplify right side
    456,129,345.36x = 226,046,994,704,959,328
  5. Step 5: Solve for x
    x = 226,046,994,704,959,328/456,129,345.36
  6. Step 6: Final answer
    x = 495,576,522.33

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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.