Home / 346,081,797.63-477,592,845.30-189,449,010.72

Finding the Fourth Proportional to 346,081,797.63, 477,592,845.30 and 189,449,010.72

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Solution

The fourth proportional to 346,081,797.63, 477,592,845.30 and 189,449,010.72 is: 261,439,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,081,797.63 : 477,592,845.30 = 189,449,010.72 : x
  2. Step 2: Convert to fraction form
    346,081,797.63/477,592,845.30 = 189,449,010.72/x
  3. Step 3: Cross multiply
    346,081,797.63x = 477,592,845.30 × 189,449,010.72
  4. Step 4: Simplify right side
    346,081,797.63x = 90,479,492,069,035,008
  5. Step 5: Solve for x
    x = 90,479,492,069,035,008/346,081,797.63
  6. Step 6: Final answer
    x = 261,439,615.40

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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.