Home / 916,263,769.68-1,264,433,373.36-498,568,858.56

Finding the Fourth Proportional to 916,263,769.68, 1,264,433,373.36 and 498,568,858.56

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Solution

The fourth proportional to 916,263,769.68, 1,264,433,373.36 and 498,568,858.56 is: 688,019,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,263,769.68 : 1,264,433,373.36 = 498,568,858.56 : x
  2. Step 2: Convert to fraction form
    916,263,769.68/1,264,433,373.36 = 498,568,858.56/x
  3. Step 3: Cross multiply
    916,263,769.68x = 1,264,433,373.36 × 498,568,858.56
  4. Step 4: Simplify right side
    916,263,769.68x = 630,407,103,681,265,408
  5. Step 5: Solve for x
    x = 630,407,103,681,265,408/916,263,769.68
  6. Step 6: Final answer
    x = 688,019,241.34

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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.