Home / 838,378,556.88-1,156,970,314.98-462,048,714.78

Finding the Fourth Proportional to 838,378,556.88, 1,156,970,314.98 and 462,048,714.78

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Solution

The fourth proportional to 838,378,556.88, 1,156,970,314.98 and 462,048,714.78 is: 637,631,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,378,556.88 : 1,156,970,314.98 = 462,048,714.78 : x
  2. Step 2: Convert to fraction form
    838,378,556.88/1,156,970,314.98 = 462,048,714.78/x
  3. Step 3: Cross multiply
    838,378,556.88x = 1,156,970,314.98 × 462,048,714.78
  4. Step 4: Simplify right side
    838,378,556.88x = 534,576,647,075,120,768
  5. Step 5: Solve for x
    x = 534,576,647,075,120,768/838,378,556.88
  6. Step 6: Final answer
    x = 637,631,583.83

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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.