Home / 629,828,094.65-869,183,645.75-343,735,286.40

Finding the Fourth Proportional to 629,828,094.65, 869,183,645.75 and 343,735,286.40

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Solution

The fourth proportional to 629,828,094.65, 869,183,645.75 and 343,735,286.40 is: 474,366,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,828,094.65 : 869,183,645.75 = 343,735,286.40 : x
  2. Step 2: Convert to fraction form
    629,828,094.65/869,183,645.75 = 343,735,286.40/x
  3. Step 3: Cross multiply
    629,828,094.65x = 869,183,645.75 × 343,735,286.40
  4. Step 4: Simplify right side
    629,828,094.65x = 298,769,089,404,353,728
  5. Step 5: Solve for x
    x = 298,769,089,404,353,728/629,828,094.65
  6. Step 6: Final answer
    x = 474,366,088.06

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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.