Home / 253,295,644,651.07-380,007,777,701.79-117,255,845,608.79

Finding the Fourth Proportional to 253,295,644,651.07, 380,007,777,701.79 and 117,255,845,608.79

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Solution

The fourth proportional to 253,295,644,651.07, 380,007,777,701.79 and 117,255,845,608.79 is: 175,913,539,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,295,644,651.07 : 380,007,777,701.79 = 117,255,845,608.79 : x
  2. Step 2: Convert to fraction form
    253,295,644,651.07/380,007,777,701.79 = 117,255,845,608.79/x
  3. Step 3: Cross multiply
    253,295,644,651.07x = 380,007,777,701.79 × 117,255,845,608.79
  4. Step 4: Simplify right side
    253,295,644,651.07x = 44,558,133,312,340,472,365,056
  5. Step 5: Solve for x
    x = 44,558,133,312,340,472,365,056/253,295,644,651.07
  6. Step 6: Final answer
    x = 175,913,539,191.41

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1.5x scale

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.