Home / 85,793,572,548.88-128,719,320,032.44-37,979,986,538

Finding the Fourth Proportional to 85,793,572,548.88, 128,719,320,032.44 and 37,979,986,538

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Solution

The fourth proportional to 85,793,572,548.88, 128,719,320,032.44 and 37,979,986,538 is: 56,982,800,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,793,572,548.88 : 128,719,320,032.44 = 37,979,986,538 : x
  2. Step 2: Convert to fraction form
    85,793,572,548.88/128,719,320,032.44 = 37,979,986,538/x
  3. Step 3: Cross multiply
    85,793,572,548.88x = 128,719,320,032.44 × 37,979,986,538
  4. Step 4: Simplify right side
    85,793,572,548.88x = 4,888,758,042,012,584,771,584
  5. Step 5: Solve for x
    x = 4,888,758,042,012,584,771,584/85,793,572,548.88
  6. Step 6: Final answer
    x = 56,982,800,654.76

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1.5x scale

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.