Home / 384,858,118.08-531,161,708.40-302,968,128.96

Finding the Fourth Proportional to 384,858,118.08, 531,161,708.40 and 302,968,128.96

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Solution

The fourth proportional to 384,858,118.08, 531,161,708.40 and 302,968,128.96 is: 418,141,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,858,118.08 : 531,161,708.40 = 302,968,128.96 : x
  2. Step 2: Convert to fraction form
    384,858,118.08/531,161,708.40 = 302,968,128.96/x
  3. Step 3: Cross multiply
    384,858,118.08x = 531,161,708.40 × 302,968,128.96
  4. Step 4: Simplify right side
    384,858,118.08x = 160,925,068,969,145,088
  5. Step 5: Solve for x
    x = 160,925,068,969,145,088/384,858,118.08
  6. Step 6: Final answer
    x = 418,141,287.42

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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.