Home / 7,946,278,048.40-11,919,020,845.80-2,971,634,174.48

Finding the Fourth Proportional to 7,946,278,048.40, 11,919,020,845.80 and 2,971,634,174.48

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Solution

The fourth proportional to 7,946,278,048.40, 11,919,020,845.80 and 2,971,634,174.48 is: 4,457,303,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946,278,048.40 : 11,919,020,845.80 = 2,971,634,174.48 : x
  2. Step 2: Convert to fraction form
    7,946,278,048.40/11,919,020,845.80 = 2,971,634,174.48/x
  3. Step 3: Cross multiply
    7,946,278,048.40x = 11,919,020,845.80 × 2,971,634,174.48
  4. Step 4: Simplify right side
    7,946,278,048.40x = 35,418,969,671,718,793,216
  5. Step 5: Solve for x
    x = 35,418,969,671,718,793,216/7,946,278,048.40
  6. Step 6: Final answer
    x = 4,457,303,086.55

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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.