Home / 12,486,365,343.72-18,729,554,314.14-3,762,229,887.72

Finding the Fourth Proportional to 12,486,365,343.72, 18,729,554,314.14 and 3,762,229,887.72

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Solution

The fourth proportional to 12,486,365,343.72, 18,729,554,314.14 and 3,762,229,887.72 is: 5,643,346,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,365,343.72 : 18,729,554,314.14 = 3,762,229,887.72 : x
  2. Step 2: Convert to fraction form
    12,486,365,343.72/18,729,554,314.14 = 3,762,229,887.72/x
  3. Step 3: Cross multiply
    12,486,365,343.72x = 18,729,554,314.14 × 3,762,229,887.72
  4. Step 4: Simplify right side
    12,486,365,343.72x = 70,464,889,024,332,570,624
  5. Step 5: Solve for x
    x = 70,464,889,024,332,570,624/12,486,365,343.72
  6. Step 6: Final answer
    x = 5,643,346,729.38

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1.5x scale

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.