Home / 1,317,879,584.26-1,818,668,837.28-723,174,020.74

Finding the Fourth Proportional to 1,317,879,584.26, 1,818,668,837.28 and 723,174,020.74

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Solution

The fourth proportional to 1,317,879,584.26, 1,818,668,837.28 and 723,174,020.74 is: 997,977,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,879,584.26 : 1,818,668,837.28 = 723,174,020.74 : x
  2. Step 2: Convert to fraction form
    1,317,879,584.26/1,818,668,837.28 = 723,174,020.74/x
  3. Step 3: Cross multiply
    1,317,879,584.26x = 1,818,668,837.28 × 723,174,020.74
  4. Step 4: Simplify right side
    1,317,879,584.26x = 1,315,214,055,450,318,336
  5. Step 5: Solve for x
    x = 1,315,214,055,450,318,336/1,317,879,584.26
  6. Step 6: Final answer
    x = 997,977,410.96

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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.