Home / 1,857,075,971.28-2,562,764,754.32-1,021,682,605.76

Finding the Fourth Proportional to 1,857,075,971.28, 2,562,764,754.32 and 1,021,682,605.76

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Solution

The fourth proportional to 1,857,075,971.28, 2,562,764,754.32 and 1,021,682,605.76 is: 1,409,921,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,075,971.28 : 2,562,764,754.32 = 1,021,682,605.76 : x
  2. Step 2: Convert to fraction form
    1,857,075,971.28/2,562,764,754.32 = 1,021,682,605.76/x
  3. Step 3: Cross multiply
    1,857,075,971.28x = 2,562,764,754.32 × 1,021,682,605.76
  4. Step 4: Simplify right side
    1,857,075,971.28x = 2,618,332,172,143,543,808
  5. Step 5: Solve for x
    x = 2,618,332,172,143,543,808/1,857,075,971.28
  6. Step 6: Final answer
    x = 1,409,921,948.61

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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.