Home / 729,244,364.60-1,006,357,272.29-399,219,503.60

Finding the Fourth Proportional to 729,244,364.60, 1,006,357,272.29 and 399,219,503.60

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Solution

The fourth proportional to 729,244,364.60, 1,006,357,272.29 and 399,219,503.60 is: 550,922,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,244,364.60 : 1,006,357,272.29 = 399,219,503.60 : x
  2. Step 2: Convert to fraction form
    729,244,364.60/1,006,357,272.29 = 399,219,503.60/x
  3. Step 3: Cross multiply
    729,244,364.60x = 1,006,357,272.29 × 399,219,503.60
  4. Step 4: Simplify right side
    729,244,364.60x = 401,757,450,687,863,872
  5. Step 5: Solve for x
    x = 401,757,450,687,863,872/729,244,364.60
  6. Step 6: Final answer
    x = 550,922,941.87

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1.5x scale

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.