Home / 57,767,298,749.69-86,656,885,615.37-19,993,812,422.39

Finding the Fourth Proportional to 57,767,298,749.69, 86,656,885,615.37 and 19,993,812,422.39

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Solution

The fourth proportional to 57,767,298,749.69, 86,656,885,615.37 and 19,993,812,422.39 is: 29,992,773,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767,298,749.69 : 86,656,885,615.37 = 19,993,812,422.39 : x
  2. Step 2: Convert to fraction form
    57,767,298,749.69/86,656,885,615.37 = 19,993,812,422.39/x
  3. Step 3: Cross multiply
    57,767,298,749.69x = 86,656,885,615.37 × 19,993,812,422.39
  4. Step 4: Simplify right side
    57,767,298,749.69x = 1,732,601,516,102,213,959,680
  5. Step 5: Solve for x
    x = 1,732,601,516,102,213,959,680/57,767,298,749.69
  6. Step 6: Final answer
    x = 29,992,773,655.73

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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.