Home / 13,567,749,538.32-18,722,182,680.36-7,850,893,603.14

Finding the Fourth Proportional to 13,567,749,538.32, 18,722,182,680.36 and 7,850,893,603.14

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Solution

The fourth proportional to 13,567,749,538.32, 18,722,182,680.36 and 7,850,893,603.14 is: 10,833,474,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,749,538.32 : 18,722,182,680.36 = 7,850,893,603.14 : x
  2. Step 2: Convert to fraction form
    13,567,749,538.32/18,722,182,680.36 = 7,850,893,603.14/x
  3. Step 3: Cross multiply
    13,567,749,538.32x = 18,722,182,680.36 × 7,850,893,603.14
  4. Step 4: Simplify right side
    13,567,749,538.32x = 146,985,864,242,056,839,168
  5. Step 5: Solve for x
    x = 146,985,864,242,056,839,168/13,567,749,538.32
  6. Step 6: Final answer
    x = 10,833,474,175.43

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1.5x scale

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.