Home / 380,518,379.64-525,106,431.66-223,895,630.52

Finding the Fourth Proportional to 380,518,379.64, 525,106,431.66 and 223,895,630.52

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Solution

The fourth proportional to 380,518,379.64, 525,106,431.66 and 223,895,630.52 is: 308,970,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,518,379.64 : 525,106,431.66 = 223,895,630.52 : x
  2. Step 2: Convert to fraction form
    380,518,379.64/525,106,431.66 = 223,895,630.52/x
  3. Step 3: Cross multiply
    380,518,379.64x = 525,106,431.66 × 223,895,630.52
  4. Step 4: Simplify right side
    380,518,379.64x = 117,569,035,606,623,008
  5. Step 5: Solve for x
    x = 117,569,035,606,623,008/380,518,379.64
  6. Step 6: Final answer
    x = 308,970,714.42

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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.