Home / 440,129,716.80-659,774,671.20-163,706,913.60

Finding the Fourth Proportional to 440,129,716.80, 659,774,671.20 and 163,706,913.60

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Solution

The fourth proportional to 440,129,716.80, 659,774,671.20 and 163,706,913.60 is: 245,404,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,129,716.80 : 659,774,671.20 = 163,706,913.60 : x
  2. Step 2: Convert to fraction form
    440,129,716.80/659,774,671.20 = 163,706,913.60/x
  3. Step 3: Cross multiply
    440,129,716.80x = 659,774,671.20 × 163,706,913.60
  4. Step 4: Simplify right side
    440,129,716.80x = 108,009,675,093,606,816
  5. Step 5: Solve for x
    x = 108,009,675,093,606,816/440,129,716.80
  6. Step 6: Final answer
    x = 245,404,186.47

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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.