Home / 419,535,914.14-579,071,222.04-247,827,423.88

Finding the Fourth Proportional to 419,535,914.14, 579,071,222.04 and 247,827,423.88

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Solution

The fourth proportional to 419,535,914.14, 579,071,222.04 and 247,827,423.88 is: 342,067,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,535,914.14 : 579,071,222.04 = 247,827,423.88 : x
  2. Step 2: Convert to fraction form
    419,535,914.14/579,071,222.04 = 247,827,423.88/x
  3. Step 3: Cross multiply
    419,535,914.14x = 579,071,222.04 × 247,827,423.88
  4. Step 4: Simplify right side
    419,535,914.14x = 143,509,729,201,216,672
  5. Step 5: Solve for x
    x = 143,509,729,201,216,672/419,535,914.14
  6. Step 6: Final answer
    x = 342,067,804.84

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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.