Home / 1,409,917,055.80-1,945,568,590.69-774,804,152.56

Finding the Fourth Proportional to 1,409,917,055.80, 1,945,568,590.69 and 774,804,152.56

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Solution

The fourth proportional to 1,409,917,055.80, 1,945,568,590.69 and 774,804,152.56 is: 1,069,165,463.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,917,055.80 : 1,945,568,590.69 = 774,804,152.56 : x
  2. Step 2: Convert to fraction form
    1,409,917,055.80/1,945,568,590.69 = 774,804,152.56/x
  3. Step 3: Cross multiply
    1,409,917,055.80x = 1,945,568,590.69 × 774,804,152.56
  4. Step 4: Simplify right side
    1,409,917,055.80x = 1,507,434,623,143,316,992
  5. Step 5: Solve for x
    x = 1,507,434,623,143,316,992/1,409,917,055.80
  6. Step 6: Final answer
    x = 1,069,165,463.99

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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.