Home / 1,390,802,724.84-2,086,526,773.90-458,092,101.36

Finding the Fourth Proportional to 1,390,802,724.84, 2,086,526,773.90 and 458,092,101.36

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Solution

The fourth proportional to 1,390,802,724.84, 2,086,526,773.90 and 458,092,101.36 is: 687,244,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,802,724.84 : 2,086,526,773.90 = 458,092,101.36 : x
  2. Step 2: Convert to fraction form
    1,390,802,724.84/2,086,526,773.90 = 458,092,101.36/x
  3. Step 3: Cross multiply
    1,390,802,724.84x = 2,086,526,773.90 × 458,092,101.36
  4. Step 4: Simplify right side
    1,390,802,724.84x = 955,821,434,396,379,776
  5. Step 5: Solve for x
    x = 955,821,434,396,379,776/1,390,802,724.84
  6. Step 6: Final answer
    x = 687,244,436.12

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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.