Home / 581,857,639.68-802,980,565.92-317,556,584.64

Finding the Fourth Proportional to 581,857,639.68, 802,980,565.92 and 317,556,584.64

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Solution

The fourth proportional to 581,857,639.68, 802,980,565.92 and 317,556,584.64 is: 438,237,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,857,639.68 : 802,980,565.92 = 317,556,584.64 : x
  2. Step 2: Convert to fraction form
    581,857,639.68/802,980,565.92 = 317,556,584.64/x
  3. Step 3: Cross multiply
    581,857,639.68x = 802,980,565.92 × 317,556,584.64
  4. Step 4: Simplify right side
    581,857,639.68x = 254,991,766,045,849,568
  5. Step 5: Solve for x
    x = 254,991,766,045,849,568/581,857,639.68
  6. Step 6: Final answer
    x = 438,237,377.42

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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.