Home / 637,460,953.98-879,672,892.26-355,188,810.60

Finding the Fourth Proportional to 637,460,953.98, 879,672,892.26 and 355,188,810.60

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Solution

The fourth proportional to 637,460,953.98, 879,672,892.26 and 355,188,810.60 is: 490,147,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,460,953.98 : 879,672,892.26 = 355,188,810.60 : x
  2. Step 2: Convert to fraction form
    637,460,953.98/879,672,892.26 = 355,188,810.60/x
  3. Step 3: Cross multiply
    637,460,953.98x = 879,672,892.26 × 355,188,810.60
  4. Step 4: Simplify right side
    637,460,953.98x = 312,449,968,318,891,392
  5. Step 5: Solve for x
    x = 312,449,968,318,891,392/637,460,953.98
  6. Step 6: Final answer
    x = 490,147,618.25

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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.