Home / 1,378,765,202.60-1,902,693,388.56-752,234,054.96

Finding the Fourth Proportional to 1,378,765,202.60, 1,902,693,388.56 and 752,234,054.96

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Solution

The fourth proportional to 1,378,765,202.60, 1,902,693,388.56 and 752,234,054.96 is: 1,038,081,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,765,202.60 : 1,902,693,388.56 = 752,234,054.96 : x
  2. Step 2: Convert to fraction form
    1,378,765,202.60/1,902,693,388.56 = 752,234,054.96/x
  3. Step 3: Cross multiply
    1,378,765,202.60x = 1,902,693,388.56 × 752,234,054.96
  4. Step 4: Simplify right side
    1,378,765,202.60x = 1,431,270,763,022,071,808
  5. Step 5: Solve for x
    x = 1,431,270,763,022,071,808/1,378,765,202.60
  6. Step 6: Final answer
    x = 1,038,081,582.22

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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.