Home / 1,315,020,668,660.20-1,814,617,686,011-729,086,149,302.76

Finding the Fourth Proportional to 1,315,020,668,660.20, 1,814,617,686,011 and 729,086,149,302.76

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Solution

The fourth proportional to 1,315,020,668,660.20, 1,814,617,686,011 and 729,086,149,302.76 is: 1,006,077,434,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,020,668,660.20 : 1,814,617,686,011 = 729,086,149,302.76 : x
  2. Step 2: Convert to fraction form
    1,315,020,668,660.20/1,814,617,686,011 = 729,086,149,302.76/x
  3. Step 3: Cross multiply
    1,315,020,668,660.20x = 1,814,617,686,011 × 729,086,149,302.76
  4. Step 4: Simplify right side
    1,315,020,668,660.20x = 1,323,012,621,150,444,868,075,520
  5. Step 5: Solve for x
    x = 1,323,012,621,150,444,868,075,520/1,315,020,668,660.20
  6. Step 6: Final answer
    x = 1,006,077,434,888.07

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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.