Home / 511,880,703,739.24-706,127,557,791.84-316,501,530,706.40

Finding the Fourth Proportional to 511,880,703,739.24, 706,127,557,791.84 and 316,501,530,706.40

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Solution

The fourth proportional to 511,880,703,739.24, 706,127,557,791.84 and 316,501,530,706.40 is: 436,606,520,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,880,703,739.24 : 706,127,557,791.84 = 316,501,530,706.40 : x
  2. Step 2: Convert to fraction form
    511,880,703,739.24/706,127,557,791.84 = 316,501,530,706.40/x
  3. Step 3: Cross multiply
    511,880,703,739.24x = 706,127,557,791.84 × 316,501,530,706.40
  4. Step 4: Simplify right side
    511,880,703,739.24x = 223,490,452,915,089,301,307,392
  5. Step 5: Solve for x
    x = 223,490,452,915,089,301,307,392/511,880,703,739.24
  6. Step 6: Final answer
    x = 436,606,520,391.40

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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.