Home / 422,756,617.80-633,927,460.59-173,716,759.65

Finding the Fourth Proportional to 422,756,617.80, 633,927,460.59 and 173,716,759.65

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Solution

The fourth proportional to 422,756,617.80, 633,927,460.59 and 173,716,759.65 is: 260,489,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,756,617.80 : 633,927,460.59 = 173,716,759.65 : x
  2. Step 2: Convert to fraction form
    422,756,617.80/633,927,460.59 = 173,716,759.65/x
  3. Step 3: Cross multiply
    422,756,617.80x = 633,927,460.59 × 173,716,759.65
  4. Step 4: Simplify right side
    422,756,617.80x = 110,123,824,306,847,888
  5. Step 5: Solve for x
    x = 110,123,824,306,847,888/422,756,617.80
  6. Step 6: Final answer
    x = 260,489,888.67

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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.