Home / 49,830,294,747.42-68,766,235,516.80-28,421,620,128.54

Finding the Fourth Proportional to 49,830,294,747.42, 68,766,235,516.80 and 28,421,620,128.54

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Solution

The fourth proportional to 49,830,294,747.42, 68,766,235,516.80 and 28,421,620,128.54 is: 39,222,080,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830,294,747.42 : 68,766,235,516.80 = 28,421,620,128.54 : x
  2. Step 2: Convert to fraction form
    49,830,294,747.42/68,766,235,516.80 = 28,421,620,128.54/x
  3. Step 3: Cross multiply
    49,830,294,747.42x = 68,766,235,516.80 × 28,421,620,128.54
  4. Step 4: Simplify right side
    49,830,294,747.42x = 1,954,447,823,528,205,221,888
  5. Step 5: Solve for x
    x = 1,954,447,823,528,205,221,888/49,830,294,747.42
  6. Step 6: Final answer
    x = 39,222,080,331.55

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1.5x scale

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.