Home / 11,507,732,567.52-15,871,920,267.96-9,902,892,517.44

Finding the Fourth Proportional to 11,507,732,567.52, 15,871,920,267.96 and 9,902,892,517.44

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Solution

The fourth proportional to 11,507,732,567.52, 15,871,920,267.96 and 9,902,892,517.44 is: 13,658,461,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507,732,567.52 : 15,871,920,267.96 = 9,902,892,517.44 : x
  2. Step 2: Convert to fraction form
    11,507,732,567.52/15,871,920,267.96 = 9,902,892,517.44/x
  3. Step 3: Cross multiply
    11,507,732,567.52x = 15,871,920,267.96 × 9,902,892,517.44
  4. Step 4: Simplify right side
    11,507,732,567.52x = 157,177,920,458,985,373,696
  5. Step 5: Solve for x
    x = 157,177,920,458,985,373,696/11,507,732,567.52
  6. Step 6: Final answer
    x = 13,658,461,346.47

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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.