Home / 1,318,010,733.24-1,965,371,325.40-1,306,180,856.58

Finding the Fourth Proportional to 1,318,010,733.24, 1,965,371,325.40 and 1,306,180,856.58

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Solution

The fourth proportional to 1,318,010,733.24, 1,965,371,325.40 and 1,306,180,856.58 is: 1,947,731,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,010,733.24 : 1,965,371,325.40 = 1,306,180,856.58 : x
  2. Step 2: Convert to fraction form
    1,318,010,733.24/1,965,371,325.40 = 1,306,180,856.58/x
  3. Step 3: Cross multiply
    1,318,010,733.24x = 1,965,371,325.40 × 1,306,180,856.58
  4. Step 4: Simplify right side
    1,318,010,733.24x = 2,567,130,401,308,741,632
  5. Step 5: Solve for x
    x = 2,567,130,401,308,741,632/1,318,010,733.24
  6. Step 6: Final answer
    x = 1,947,731,028.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.