Home / 511,991,364.64-705,881,031.60-326,284,621.60

Finding the Fourth Proportional to 511,991,364.64, 705,881,031.60 and 326,284,621.60

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Solution

The fourth proportional to 511,991,364.64, 705,881,031.60 and 326,284,621.60 is: 449,847,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,991,364.64 : 705,881,031.60 = 326,284,621.60 : x
  2. Step 2: Convert to fraction form
    511,991,364.64/705,881,031.60 = 326,284,621.60/x
  3. Step 3: Cross multiply
    511,991,364.64x = 705,881,031.60 × 326,284,621.60
  4. Step 4: Simplify right side
    511,991,364.64x = 230,318,125,290,223,680
  5. Step 5: Solve for x
    x = 230,318,125,290,223,680/511,991,364.64
  6. Step 6: Final answer
    x = 449,847,675.56

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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.