Home / 727,139,958.09-1,090,863,141.74-235,814,917.07

Finding the Fourth Proportional to 727,139,958.09, 1,090,863,141.74 and 235,814,917.07

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Solution

The fourth proportional to 727,139,958.09, 1,090,863,141.74 and 235,814,917.07 is: 353,772,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,139,958.09 : 1,090,863,141.74 = 235,814,917.07 : x
  2. Step 2: Convert to fraction form
    727,139,958.09/1,090,863,141.74 = 235,814,917.07/x
  3. Step 3: Cross multiply
    727,139,958.09x = 1,090,863,141.74 × 235,814,917.07
  4. Step 4: Simplify right side
    727,139,958.09x = 257,241,801,297,504,352
  5. Step 5: Solve for x
    x = 257,241,801,297,504,352/727,139,958.09
  6. Step 6: Final answer
    x = 353,772,060.57

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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.