Home / 1,378,765,202.10-1,902,693,387.87-752,234,054.46

Finding the Fourth Proportional to 1,378,765,202.10, 1,902,693,387.87 and 752,234,054.46

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Solution

The fourth proportional to 1,378,765,202.10, 1,902,693,387.87 and 752,234,054.46 is: 1,038,081,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,765,202.10 : 1,902,693,387.87 = 752,234,054.46 : x
  2. Step 2: Convert to fraction form
    1,378,765,202.10/1,902,693,387.87 = 752,234,054.46/x
  3. Step 3: Cross multiply
    1,378,765,202.10x = 1,902,693,387.87 × 752,234,054.46
  4. Step 4: Simplify right side
    1,378,765,202.10x = 1,431,270,761,551,683,584
  5. Step 5: Solve for x
    x = 1,431,270,761,551,683,584/1,378,765,202.10
  6. Step 6: Final answer
    x = 1,038,081,581.53

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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.