Home / 1,265,317,663.06-1,897,609,965.69-379,967,293.48

Finding the Fourth Proportional to 1,265,317,663.06, 1,897,609,965.69 and 379,967,293.48

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Solution

The fourth proportional to 1,265,317,663.06, 1,897,609,965.69 and 379,967,293.48 is: 569,840,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,317,663.06 : 1,897,609,965.69 = 379,967,293.48 : x
  2. Step 2: Convert to fraction form
    1,265,317,663.06/1,897,609,965.69 = 379,967,293.48/x
  3. Step 3: Cross multiply
    1,265,317,663.06x = 1,897,609,965.69 × 379,967,293.48
  4. Step 4: Simplify right side
    1,265,317,663.06x = 721,029,722,743,905,024
  5. Step 5: Solve for x
    x = 721,029,722,743,905,024/1,265,317,663.06
  6. Step 6: Final answer
    x = 569,840,873.79

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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.