Home / 876,929,438.16-1,315,415,502.36-294,672,122.64

Finding the Fourth Proportional to 876,929,438.16, 1,315,415,502.36 and 294,672,122.64

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Solution

The fourth proportional to 876,929,438.16, 1,315,415,502.36 and 294,672,122.64 is: 442,015,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,929,438.16 : 1,315,415,502.36 = 294,672,122.64 : x
  2. Step 2: Convert to fraction form
    876,929,438.16/1,315,415,502.36 = 294,672,122.64/x
  3. Step 3: Cross multiply
    876,929,438.16x = 1,315,415,502.36 × 294,672,122.64
  4. Step 4: Simplify right side
    876,929,438.16x = 387,616,278,233,983,104
  5. Step 5: Solve for x
    x = 387,616,278,233,983,104/876,929,438.16
  6. Step 6: Final answer
    x = 442,015,356.50

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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.