Home / 907,369,880.29-1,361,297,018.38-325,162,978.76

Finding the Fourth Proportional to 907,369,880.29, 1,361,297,018.38 and 325,162,978.76

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Solution

The fourth proportional to 907,369,880.29, 1,361,297,018.38 and 325,162,978.76 is: 487,831,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,369,880.29 : 1,361,297,018.38 = 325,162,978.76 : x
  2. Step 2: Convert to fraction form
    907,369,880.29/1,361,297,018.38 = 325,162,978.76/x
  3. Step 3: Cross multiply
    907,369,880.29x = 1,361,297,018.38 × 325,162,978.76
  4. Step 4: Simplify right side
    907,369,880.29x = 442,643,393,476,755,392
  5. Step 5: Solve for x
    x = 442,643,393,476,755,392/907,369,880.29
  6. Step 6: Final answer
    x = 487,831,261.64

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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.