Home / 1,510,978,958,653.50-2,085,145,900,643.40-825,866,287,777.96

Finding the Fourth Proportional to 1,510,978,958,653.50, 2,085,145,900,643.40 and 825,866,287,777.96

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Solution

The fourth proportional to 1,510,978,958,653.50, 2,085,145,900,643.40 and 825,866,287,777.96 is: 1,139,692,710,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,978,958,653.50 : 2,085,145,900,643.40 = 825,866,287,777.96 : x
  2. Step 2: Convert to fraction form
    1,510,978,958,653.50/2,085,145,900,643.40 = 825,866,287,777.96/x
  3. Step 3: Cross multiply
    1,510,978,958,653.50x = 2,085,145,900,643.40 × 825,866,287,777.96
  4. Step 4: Simplify right side
    1,510,978,958,653.50x = 1,722,051,704,439,795,607,404,544
  5. Step 5: Solve for x
    x = 1,722,051,704,439,795,607,404,544/1,510,978,958,653.50
  6. Step 6: Final answer
    x = 1,139,692,710,197.89

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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.