Home / 57,767,298,748.70-86,656,885,613.87-19,993,812,421.39

Finding the Fourth Proportional to 57,767,298,748.70, 86,656,885,613.87 and 19,993,812,421.39

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Solution

The fourth proportional to 57,767,298,748.70, 86,656,885,613.87 and 19,993,812,421.39 is: 29,992,773,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767,298,748.70 : 86,656,885,613.87 = 19,993,812,421.39 : x
  2. Step 2: Convert to fraction form
    57,767,298,748.70/86,656,885,613.87 = 19,993,812,421.39/x
  3. Step 3: Cross multiply
    57,767,298,748.70x = 86,656,885,613.87 × 19,993,812,421.39
  4. Step 4: Simplify right side
    57,767,298,748.70x = 1,732,601,515,985,206,771,712
  5. Step 5: Solve for x
    x = 1,732,601,515,985,206,771,712/57,767,298,748.70
  6. Step 6: Final answer
    x = 29,992,773,654.22

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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.