Home / 886,107,207.80-1,330,357,538.10-518,019,361.40

Finding the Fourth Proportional to 886,107,207.80, 1,330,357,538.10 and 518,019,361.40

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Solution

The fourth proportional to 886,107,207.80, 1,330,357,538.10 and 518,019,361.40 is: 777,728,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,107,207.80 : 1,330,357,538.10 = 518,019,361.40 : x
  2. Step 2: Convert to fraction form
    886,107,207.80/1,330,357,538.10 = 518,019,361.40/x
  3. Step 3: Cross multiply
    886,107,207.80x = 1,330,357,538.10 × 518,019,361.40
  4. Step 4: Simplify right side
    886,107,207.80x = 689,150,962,320,238,080
  5. Step 5: Solve for x
    x = 689,150,962,320,238,080/886,107,207.80
  6. Step 6: Final answer
    x = 777,728,649.82

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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.