Home / 383,177,312.64-575,129,344.32-237,169,215.36

Finding the Fourth Proportional to 383,177,312.64, 575,129,344.32 and 237,169,215.36

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Solution

The fourth proportional to 383,177,312.64, 575,129,344.32 and 237,169,215.36 is: 355,978,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,177,312.64 : 575,129,344.32 = 237,169,215.36 : x
  2. Step 2: Convert to fraction form
    383,177,312.64/575,129,344.32 = 237,169,215.36/x
  3. Step 3: Cross multiply
    383,177,312.64x = 575,129,344.32 × 237,169,215.36
  4. Step 4: Simplify right side
    383,177,312.64x = 136,402,975,322,885,696
  5. Step 5: Solve for x
    x = 136,402,975,322,885,696/383,177,312.64
  6. Step 6: Final answer
    x = 355,978,735.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.