Home / 14,401,686,958.40-19,873,896,544.38-7,971,770,497.68

Finding the Fourth Proportional to 14,401,686,958.40, 19,873,896,544.38 and 7,971,770,497.68

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Solution

The fourth proportional to 14,401,686,958.40, 19,873,896,544.38 and 7,971,770,497.68 is: 11,000,804,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401,686,958.40 : 19,873,896,544.38 = 7,971,770,497.68 : x
  2. Step 2: Convert to fraction form
    14,401,686,958.40/19,873,896,544.38 = 7,971,770,497.68/x
  3. Step 3: Cross multiply
    14,401,686,958.40x = 19,873,896,544.38 × 7,971,770,497.68
  4. Step 4: Simplify right side
    14,401,686,958.40x = 158,430,142,146,432,991,232
  5. Step 5: Solve for x
    x = 158,430,142,146,432,991,232/14,401,686,958.40
  6. Step 6: Final answer
    x = 11,000,804,461.60

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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.