Home / 397,029,805.10-595,544,707.65-120,680,485.10

Finding the Fourth Proportional to 397,029,805.10, 595,544,707.65 and 120,680,485.10

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Solution

The fourth proportional to 397,029,805.10, 595,544,707.65 and 120,680,485.10 is: 181,020,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,805.10 : 595,544,707.65 = 120,680,485.10 : x
  2. Step 2: Convert to fraction form
    397,029,805.10/595,544,707.65 = 120,680,485.10/x
  3. Step 3: Cross multiply
    397,029,805.10x = 595,544,707.65 × 120,680,485.10
  4. Step 4: Simplify right side
    397,029,805.10x = 71,870,624,217,939,672
  5. Step 5: Solve for x
    x = 71,870,624,217,939,672/397,029,805.10
  6. Step 6: Final answer
    x = 181,020,727.65

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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.