Home / 630,568,538.14-870,211,019.01-362,644,579.81

Finding the Fourth Proportional to 630,568,538.14, 870,211,019.01 and 362,644,579.81

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Solution

The fourth proportional to 630,568,538.14, 870,211,019.01 and 362,644,579.81 is: 500,464,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,568,538.14 : 870,211,019.01 = 362,644,579.81 : x
  2. Step 2: Convert to fraction form
    630,568,538.14/870,211,019.01 = 362,644,579.81/x
  3. Step 3: Cross multiply
    630,568,538.14x = 870,211,019.01 × 362,644,579.81
  4. Step 4: Simplify right side
    630,568,538.14x = 315,577,309,330,562,304
  5. Step 5: Solve for x
    x = 315,577,309,330,562,304/630,568,538.14
  6. Step 6: Final answer
    x = 500,464,723.89

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1.5x scale

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.