Home / 2,390,126,659.90-3,298,377,968.04-1,318,405,814.62

Finding the Fourth Proportional to 2,390,126,659.90, 3,298,377,968.04 and 1,318,405,814.62

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Solution

The fourth proportional to 2,390,126,659.90, 3,298,377,968.04 and 1,318,405,814.62 is: 1,819,401,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,126,659.90 : 3,298,377,968.04 = 1,318,405,814.62 : x
  2. Step 2: Convert to fraction form
    2,390,126,659.90/3,298,377,968.04 = 1,318,405,814.62/x
  3. Step 3: Cross multiply
    2,390,126,659.90x = 3,298,377,968.04 × 1,318,405,814.62
  4. Step 4: Simplify right side
    2,390,126,659.90x = 4,348,600,691,878,436,352
  5. Step 5: Solve for x
    x = 4,348,600,691,878,436,352/2,390,126,659.90
  6. Step 6: Final answer
    x = 1,819,401,776.83

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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.