Home / 7,087,360,494.40-10,631,040,741.60-3,405,978,145.60

Finding the Fourth Proportional to 7,087,360,494.40, 10,631,040,741.60 and 3,405,978,145.60

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Solution

The fourth proportional to 7,087,360,494.40, 10,631,040,741.60 and 3,405,978,145.60 is: 5,108,967,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087,360,494.40 : 10,631,040,741.60 = 3,405,978,145.60 : x
  2. Step 2: Convert to fraction form
    7,087,360,494.40/10,631,040,741.60 = 3,405,978,145.60/x
  3. Step 3: Cross multiply
    7,087,360,494.40x = 10,631,040,741.60 × 3,405,978,145.60
  4. Step 4: Simplify right side
    7,087,360,494.40x = 36,209,092,430,872,817,664
  5. Step 5: Solve for x
    x = 36,209,092,430,872,817,664/7,087,360,494.40
  6. Step 6: Final answer
    x = 5,108,967,218.40

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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.