Home / 630,568,538.64-870,211,019.70-362,644,580.31

Finding the Fourth Proportional to 630,568,538.64, 870,211,019.70 and 362,644,580.31

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Solution

The fourth proportional to 630,568,538.64, 870,211,019.70 and 362,644,580.31 is: 500,464,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,568,538.64 : 870,211,019.70 = 362,644,580.31 : x
  2. Step 2: Convert to fraction form
    630,568,538.64/870,211,019.70 = 362,644,580.31/x
  3. Step 3: Cross multiply
    630,568,538.64x = 870,211,019.70 × 362,644,580.31
  4. Step 4: Simplify right side
    630,568,538.64x = 315,577,310,020,243,648
  5. Step 5: Solve for x
    x = 315,577,310,020,243,648/630,568,538.64
  6. Step 6: Final answer
    x = 500,464,724.58

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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.