Home / 486,034,436.85-670,655,370.37-295,196,145.68

Finding the Fourth Proportional to 486,034,436.85, 670,655,370.37 and 295,196,145.68

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Solution

The fourth proportional to 486,034,436.85, 670,655,370.37 and 295,196,145.68 is: 407,326,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,034,436.85 : 670,655,370.37 = 295,196,145.68 : x
  2. Step 2: Convert to fraction form
    486,034,436.85/670,655,370.37 = 295,196,145.68/x
  3. Step 3: Cross multiply
    486,034,436.85x = 670,655,370.37 × 295,196,145.68
  4. Step 4: Simplify right side
    486,034,436.85x = 197,974,880,412,816,896
  5. Step 5: Solve for x
    x = 197,974,880,412,816,896/486,034,436.85
  6. Step 6: Final answer
    x = 407,326,858.76

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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.