Home / 505,039,809.94-696,756,636.21-293,310,597.94

Finding the Fourth Proportional to 505,039,809.94, 696,756,636.21 and 293,310,597.94

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Solution

The fourth proportional to 505,039,809.94, 696,756,636.21 and 293,310,597.94 is: 404,653,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,039,809.94 : 696,756,636.21 = 293,310,597.94 : x
  2. Step 2: Convert to fraction form
    505,039,809.94/696,756,636.21 = 293,310,597.94/x
  3. Step 3: Cross multiply
    505,039,809.94x = 696,756,636.21 × 293,310,597.94
  4. Step 4: Simplify right side
    505,039,809.94x = 204,366,105,585,418,176
  5. Step 5: Solve for x
    x = 204,366,105,585,418,176/505,039,809.94
  6. Step 6: Final answer
    x = 404,653,458.13

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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.