Home / 980,010,456.19-1,352,397,327.09-533,977,511.53

Finding the Fourth Proportional to 980,010,456.19, 1,352,397,327.09 and 533,977,511.53

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Solution

The fourth proportional to 980,010,456.19, 1,352,397,327.09 and 533,977,511.53 is: 736,879,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,010,456.19 : 1,352,397,327.09 = 533,977,511.53 : x
  2. Step 2: Convert to fraction form
    980,010,456.19/1,352,397,327.09 = 533,977,511.53/x
  3. Step 3: Cross multiply
    980,010,456.19x = 1,352,397,327.09 × 533,977,511.53
  4. Step 4: Simplify right side
    980,010,456.19x = 722,149,759,319,341,568
  5. Step 5: Solve for x
    x = 722,149,759,319,341,568/980,010,456.19
  6. Step 6: Final answer
    x = 736,879,647.31

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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.