Home / 1,409,761,884.01-1,945,357,342.84-815,084,522.59

Finding the Fourth Proportional to 1,409,761,884.01, 1,945,357,342.84 and 815,084,522.59

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Solution

The fourth proportional to 1,409,761,884.01, 1,945,357,342.84 and 815,084,522.59 is: 1,124,750,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,761,884.01 : 1,945,357,342.84 = 815,084,522.59 : x
  2. Step 2: Convert to fraction form
    1,409,761,884.01/1,945,357,342.84 = 815,084,522.59/x
  3. Step 3: Cross multiply
    1,409,761,884.01x = 1,945,357,342.84 × 815,084,522.59
  4. Step 4: Simplify right side
    1,409,761,884.01x = 1,585,630,661,055,692,288
  5. Step 5: Solve for x
    x = 1,585,630,661,055,692,288/1,409,761,884.01
  6. Step 6: Final answer
    x = 1,124,750,696.58

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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.