Home / 21,104,880,373.86-31,658,338,716.24-6,939,532,513.92

Finding the Fourth Proportional to 21,104,880,373.86, 31,658,338,716.24 and 6,939,532,513.92

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Solution

The fourth proportional to 21,104,880,373.86, 31,658,338,716.24 and 6,939,532,513.92 is: 10,409,633,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104,880,373.86 : 31,658,338,716.24 = 6,939,532,513.92 : x
  2. Step 2: Convert to fraction form
    21,104,880,373.86/31,658,338,716.24 = 6,939,532,513.92/x
  3. Step 3: Cross multiply
    21,104,880,373.86x = 31,658,338,716.24 × 6,939,532,513.92
  4. Step 4: Simplify right side
    21,104,880,373.86x = 219,694,070,858,039,853,056
  5. Step 5: Solve for x
    x = 219,694,070,858,039,853,056/21,104,880,373.86
  6. Step 6: Final answer
    x = 10,409,633,552.35

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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.