Home / 809,099,369.83-1,116,559,071.26-437,825,385.19

Finding the Fourth Proportional to 809,099,369.83, 1,116,559,071.26 and 437,825,385.19

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Solution

The fourth proportional to 809,099,369.83, 1,116,559,071.26 and 437,825,385.19 is: 604,200,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,099,369.83 : 1,116,559,071.26 = 437,825,385.19 : x
  2. Step 2: Convert to fraction form
    809,099,369.83/1,116,559,071.26 = 437,825,385.19/x
  3. Step 3: Cross multiply
    809,099,369.83x = 1,116,559,071.26 × 437,825,385.19
  4. Step 4: Simplify right side
    809,099,369.83x = 488,857,905,461,798,144
  5. Step 5: Solve for x
    x = 488,857,905,461,798,144/809,099,369.83
  6. Step 6: Final answer
    x = 604,200,081.83

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Double scale
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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.