Home / 837,944,365.37-1,156,503,938.70-485,740,670.81

Finding the Fourth Proportional to 837,944,365.37, 1,156,503,938.70 and 485,740,670.81

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Solution

The fourth proportional to 837,944,365.37, 1,156,503,938.70 and 485,740,670.81 is: 670,403,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,944,365.37 : 1,156,503,938.70 = 485,740,670.81 : x
  2. Step 2: Convert to fraction form
    837,944,365.37/1,156,503,938.70 = 485,740,670.81/x
  3. Step 3: Cross multiply
    837,944,365.37x = 1,156,503,938.70 × 485,740,670.81
  4. Step 4: Simplify right side
    837,944,365.37x = 561,760,998,970,333,888
  5. Step 5: Solve for x
    x = 561,760,998,970,333,888/837,944,365.37
  6. Step 6: Final answer
    x = 670,403,695.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.