Home / 230,005,462,314.67-345,015,222,085.93-78,909,644,217.98

Finding the Fourth Proportional to 230,005,462,314.67, 345,015,222,085.93 and 78,909,644,217.98

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Solution

The fourth proportional to 230,005,462,314.67, 345,015,222,085.93 and 78,909,644,217.98 is: 118,366,877,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,005,462,314.67 : 345,015,222,085.93 = 78,909,644,217.98 : x
  2. Step 2: Convert to fraction form
    230,005,462,314.67/345,015,222,085.93 = 78,909,644,217.98/x
  3. Step 3: Cross multiply
    230,005,462,314.67x = 345,015,222,085.93 × 78,909,644,217.98
  4. Step 4: Simplify right side
    230,005,462,314.67x = 27,225,028,424,586,370,220,032
  5. Step 5: Solve for x
    x = 27,225,028,424,586,370,220,032/230,005,462,314.67
  6. Step 6: Final answer
    x = 118,366,877,684.58

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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.