Home / 340,778,115.69-470,193,703.60-206,813,062.65

Finding the Fourth Proportional to 340,778,115.69, 470,193,703.60 and 206,813,062.65

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Solution

The fourth proportional to 340,778,115.69, 470,193,703.60 and 206,813,062.65 is: 285,353,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,778,115.69 : 470,193,703.60 = 206,813,062.65 : x
  2. Step 2: Convert to fraction form
    340,778,115.69/470,193,703.60 = 206,813,062.65/x
  3. Step 3: Cross multiply
    340,778,115.69x = 470,193,703.60 × 206,813,062.65
  4. Step 4: Simplify right side
    340,778,115.69x = 97,242,199,880,262,336
  5. Step 5: Solve for x
    x = 97,242,199,880,262,336/340,778,115.69
  6. Step 6: Final answer
    x = 285,353,417.38

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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.