Home / 558,957,885.12-771,365,044.80-324,147,962.88

Finding the Fourth Proportional to 558,957,885.12, 771,365,044.80 and 324,147,962.88

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Solution

The fourth proportional to 558,957,885.12, 771,365,044.80 and 324,147,962.88 is: 447,326,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,957,885.12 : 771,365,044.80 = 324,147,962.88 : x
  2. Step 2: Convert to fraction form
    558,957,885.12/771,365,044.80 = 324,147,962.88/x
  3. Step 3: Cross multiply
    558,957,885.12x = 771,365,044.80 × 324,147,962.88
  4. Step 4: Simplify right side
    558,957,885.12x = 250,036,407,908,759,904
  5. Step 5: Solve for x
    x = 250,036,407,908,759,904/558,957,885.12
  6. Step 6: Final answer
    x = 447,326,023.24

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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.