Home / 772,127,584.89-1,158,199,459.67-305,902,477.92

Finding the Fourth Proportional to 772,127,584.89, 1,158,199,459.67 and 305,902,477.92

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Solution

The fourth proportional to 772,127,584.89, 1,158,199,459.67 and 305,902,477.92 is: 458,856,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,127,584.89 : 1,158,199,459.67 = 305,902,477.92 : x
  2. Step 2: Convert to fraction form
    772,127,584.89/1,158,199,459.67 = 305,902,477.92/x
  3. Step 3: Cross multiply
    772,127,584.89x = 1,158,199,459.67 × 305,902,477.92
  4. Step 4: Simplify right side
    772,127,584.89x = 354,296,084,637,128,576
  5. Step 5: Solve for x
    x = 354,296,084,637,128,576/772,127,584.89
  6. Step 6: Final answer
    x = 458,856,918.95

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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.