Home / 11,507,732,564.52-15,871,920,263.82-9,902,892,514.44

Finding the Fourth Proportional to 11,507,732,564.52, 15,871,920,263.82 and 9,902,892,514.44

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Solution

The fourth proportional to 11,507,732,564.52, 15,871,920,263.82 and 9,902,892,514.44 is: 13,658,461,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507,732,564.52 : 15,871,920,263.82 = 9,902,892,514.44 : x
  2. Step 2: Convert to fraction form
    11,507,732,564.52/15,871,920,263.82 = 9,902,892,514.44/x
  3. Step 3: Cross multiply
    11,507,732,564.52x = 15,871,920,263.82 × 9,902,892,514.44
  4. Step 4: Simplify right side
    11,507,732,564.52x = 157,177,920,370,371,624,960
  5. Step 5: Solve for x
    x = 157,177,920,370,371,624,960/11,507,732,564.52
  6. Step 6: Final answer
    x = 13,658,461,342.33

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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.