Home / 908,335,646-1,253,503,695.28-490,647,933.58

Finding the Fourth Proportional to 908,335,646, 1,253,503,695.28 and 490,647,933.58

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Solution

The fourth proportional to 908,335,646, 1,253,503,695.28 and 490,647,933.58 is: 677,094,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,335,646 : 1,253,503,695.28 = 490,647,933.58 : x
  2. Step 2: Convert to fraction form
    908,335,646/1,253,503,695.28 = 490,647,933.58/x
  3. Step 3: Cross multiply
    908,335,646x = 1,253,503,695.28 × 490,647,933.58
  4. Step 4: Simplify right side
    908,335,646x = 615,028,997,824,025,984
  5. Step 5: Solve for x
    x = 615,028,997,824,025,984/908,335,646
  6. Step 6: Final answer
    x = 677,094,420.47

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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.