Home / 405,278,320,203.12-559,051,716,566.52-252,766,368,680.88

Finding the Fourth Proportional to 405,278,320,203.12, 559,051,716,566.52 and 252,766,368,680.88

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Solution

The fourth proportional to 405,278,320,203.12, 559,051,716,566.52 and 252,766,368,680.88 is: 348,672,665,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,278,320,203.12 : 559,051,716,566.52 = 252,766,368,680.88 : x
  2. Step 2: Convert to fraction form
    405,278,320,203.12/559,051,716,566.52 = 252,766,368,680.88/x
  3. Step 3: Cross multiply
    405,278,320,203.12x = 559,051,716,566.52 × 252,766,368,680.88
  4. Step 4: Simplify right side
    405,278,320,203.12x = 141,309,472,301,331,838,402,560
  5. Step 5: Solve for x
    x = 141,309,472,301,331,838,402,560/405,278,320,203.12
  6. Step 6: Final answer
    x = 348,672,665,812.74

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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.