Home / 1,905,379,309.88-2,857,087,625.70-855,217,236.06

Finding the Fourth Proportional to 1,905,379,309.88, 2,857,087,625.70 and 855,217,236.06

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Solution

The fourth proportional to 1,905,379,309.88, 2,857,087,625.70 and 855,217,236.06 is: 1,282,385,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,379,309.88 : 2,857,087,625.70 = 855,217,236.06 : x
  2. Step 2: Convert to fraction form
    1,905,379,309.88/2,857,087,625.70 = 855,217,236.06/x
  3. Step 3: Cross multiply
    1,905,379,309.88x = 2,857,087,625.70 × 855,217,236.06
  4. Step 4: Simplify right side
    1,905,379,309.88x = 2,443,430,582,432,381,440
  5. Step 5: Solve for x
    x = 2,443,430,582,432,381,440/1,905,379,309.88
  6. Step 6: Final answer
    x = 1,282,385,386.34

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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.