Home / 613,699,494.10-920,542,942.59-354,749,946.10

Finding the Fourth Proportional to 613,699,494.10, 920,542,942.59 and 354,749,946.10

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Solution

The fourth proportional to 613,699,494.10, 920,542,942.59 and 354,749,946.10 is: 532,121,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,699,494.10 : 920,542,942.59 = 354,749,946.10 : x
  2. Step 2: Convert to fraction form
    613,699,494.10/920,542,942.59 = 354,749,946.10/x
  3. Step 3: Cross multiply
    613,699,494.10x = 920,542,942.59 × 354,749,946.10
  4. Step 4: Simplify right side
    613,699,494.10x = 326,562,559,266,537,920
  5. Step 5: Solve for x
    x = 326,562,559,266,537,920/613,699,494.10
  6. Step 6: Final answer
    x = 532,121,278.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.