Home / 838,436,559.22-1,157,047,195.04-486,221,674.51

Finding the Fourth Proportional to 838,436,559.22, 1,157,047,195.04 and 486,221,674.51

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Solution

The fourth proportional to 838,436,559.22, 1,157,047,195.04 and 486,221,674.51 is: 670,988,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,436,559.22 : 1,157,047,195.04 = 486,221,674.51 : x
  2. Step 2: Convert to fraction form
    838,436,559.22/1,157,047,195.04 = 486,221,674.51/x
  3. Step 3: Cross multiply
    838,436,559.22x = 1,157,047,195.04 × 486,221,674.51
  4. Step 4: Simplify right side
    838,436,559.22x = 562,581,424,659,447,360
  5. Step 5: Solve for x
    x = 562,581,424,659,447,360/838,436,559.22
  6. Step 6: Final answer
    x = 670,988,661.54

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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.