Home / 1,087,317,325.08-1,630,308,485.25-422,555,141.07

Finding the Fourth Proportional to 1,087,317,325.08, 1,630,308,485.25 and 422,555,141.07

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Solution

The fourth proportional to 1,087,317,325.08, 1,630,308,485.25 and 422,555,141.07 is: 633,573,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,317,325.08 : 1,630,308,485.25 = 422,555,141.07 : x
  2. Step 2: Convert to fraction form
    1,087,317,325.08/1,630,308,485.25 = 422,555,141.07/x
  3. Step 3: Cross multiply
    1,087,317,325.08x = 1,630,308,485.25 × 422,555,141.07
  4. Step 4: Simplify right side
    1,087,317,325.08x = 688,895,231,972,431,744
  5. Step 5: Solve for x
    x = 688,895,231,972,431,744/1,087,317,325.08
  6. Step 6: Final answer
    x = 633,573,305.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.