Home / 1,857,075,947.28-2,562,764,721.03-1,021,682,581.74

Finding the Fourth Proportional to 1,857,075,947.28, 2,562,764,721.03 and 1,021,682,581.74

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Solution

The fourth proportional to 1,857,075,947.28, 2,562,764,721.03 and 1,021,682,581.74 is: 1,409,921,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,075,947.28 : 2,562,764,721.03 = 1,021,682,581.74 : x
  2. Step 2: Convert to fraction form
    1,857,075,947.28/2,562,764,721.03 = 1,021,682,581.74/x
  3. Step 3: Cross multiply
    1,857,075,947.28x = 2,562,764,721.03 × 1,021,682,581.74
  4. Step 4: Simplify right side
    1,857,075,947.28x = 2,618,332,076,574,121,472
  5. Step 5: Solve for x
    x = 2,618,332,076,574,121,472/1,857,075,947.28
  6. Step 6: Final answer
    x = 1,409,921,915.37

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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.