Home / 1,811,193,856.72-2,499,432,497.36-1,018,243,370.40

Finding the Fourth Proportional to 1,811,193,856.72, 2,499,432,497.36 and 1,018,243,370.40

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Solution

The fourth proportional to 1,811,193,856.72, 2,499,432,497.36 and 1,018,243,370.40 is: 1,405,167,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,193,856.72 : 2,499,432,497.36 = 1,018,243,370.40 : x
  2. Step 2: Convert to fraction form
    1,811,193,856.72/2,499,432,497.36 = 1,018,243,370.40/x
  3. Step 3: Cross multiply
    1,811,193,856.72x = 2,499,432,497.36 × 1,018,243,370.40
  4. Step 4: Simplify right side
    1,811,193,856.72x = 2,545,030,570,199,135,744
  5. Step 5: Solve for x
    x = 2,545,030,570,199,135,744/1,811,193,856.72
  6. Step 6: Final answer
    x = 1,405,167,404.23

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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.