Home / 286,036,957,920.98-428,906,456,869.74-134,902,679,643.83

Finding the Fourth Proportional to 286,036,957,920.98, 428,906,456,869.74 and 134,902,679,643.83

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Solution

The fourth proportional to 286,036,957,920.98, 428,906,456,869.74 and 134,902,679,643.83 is: 202,283,756,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,036,957,920.98 : 428,906,456,869.74 = 134,902,679,643.83 : x
  2. Step 2: Convert to fraction form
    286,036,957,920.98/428,906,456,869.74 = 134,902,679,643.83/x
  3. Step 3: Cross multiply
    286,036,957,920.98x = 428,906,456,869.74 × 134,902,679,643.83
  4. Step 4: Simplify right side
    286,036,957,920.98x = 57,860,630,348,268,721,668,096
  5. Step 5: Solve for x
    x = 57,860,630,348,268,721,668,096/286,036,957,920.98
  6. Step 6: Final answer
    x = 202,283,756,507.62

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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.