Home / 1,926,236,603.81-2,888,646,194.64-665,379,846.81

Finding the Fourth Proportional to 1,926,236,603.81, 2,888,646,194.64 and 665,379,846.81

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Solution

The fourth proportional to 1,926,236,603.81, 2,888,646,194.64 and 665,379,846.81 is: 997,824,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,236,603.81 : 2,888,646,194.64 = 665,379,846.81 : x
  2. Step 2: Convert to fraction form
    1,926,236,603.81/2,888,646,194.64 = 665,379,846.81/x
  3. Step 3: Cross multiply
    1,926,236,603.81x = 2,888,646,194.64 × 665,379,846.81
  4. Step 4: Simplify right side
    1,926,236,603.81x = 1,922,046,962,463,409,152
  5. Step 5: Solve for x
    x = 1,922,046,962,463,409,152/1,926,236,603.81
  6. Step 6: Final answer
    x = 997,824,960.17

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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.