Home / 470,436,847.93-649,203,384.35-261,588,506.65

Finding the Fourth Proportional to 470,436,847.93, 649,203,384.35 and 261,588,506.65

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Solution

The fourth proportional to 470,436,847.93, 649,203,384.35 and 261,588,506.65 is: 360,992,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,436,847.93 : 649,203,384.35 = 261,588,506.65 : x
  2. Step 2: Convert to fraction form
    470,436,847.93/649,203,384.35 = 261,588,506.65/x
  3. Step 3: Cross multiply
    470,436,847.93x = 649,203,384.35 × 261,588,506.65
  4. Step 4: Simplify right side
    470,436,847.93x = 169,824,143,822,934,560
  5. Step 5: Solve for x
    x = 169,824,143,822,934,560/470,436,847.93
  6. Step 6: Final answer
    x = 360,992,436.22

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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.