Home / 1,811,193,855.72-2,499,432,495.98-1,018,243,369.40

Finding the Fourth Proportional to 1,811,193,855.72, 2,499,432,495.98 and 1,018,243,369.40

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Solution

The fourth proportional to 1,811,193,855.72, 2,499,432,495.98 and 1,018,243,369.40 is: 1,405,167,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,193,855.72 : 2,499,432,495.98 = 1,018,243,369.40 : x
  2. Step 2: Convert to fraction form
    1,811,193,855.72/2,499,432,495.98 = 1,018,243,369.40/x
  3. Step 3: Cross multiply
    1,811,193,855.72x = 2,499,432,495.98 × 1,018,243,369.40
  4. Step 4: Simplify right side
    1,811,193,855.72x = 2,545,030,566,294,526,976
  5. Step 5: Solve for x
    x = 2,545,030,566,294,526,976/1,811,193,855.72
  6. Step 6: Final answer
    x = 1,405,167,402.85

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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.