Home / 1,415,066,118.40-2,120,583,638.40-1,043,703,020.80

Finding the Fourth Proportional to 1,415,066,118.40, 2,120,583,638.40 and 1,043,703,020.80

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Solution

The fourth proportional to 1,415,066,118.40, 2,120,583,638.40 and 1,043,703,020.80 is: 1,564,067,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,066,118.40 : 2,120,583,638.40 = 1,043,703,020.80 : x
  2. Step 2: Convert to fraction form
    1,415,066,118.40/2,120,583,638.40 = 1,043,703,020.80/x
  3. Step 3: Cross multiply
    1,415,066,118.40x = 2,120,583,638.40 × 1,043,703,020.80
  4. Step 4: Simplify right side
    1,415,066,118.40x = 2,213,259,549,257,134,848
  5. Step 5: Solve for x
    x = 2,213,259,549,257,134,848/1,415,066,118.40
  6. Step 6: Final answer
    x = 1,564,067,940.34

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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.