Home / 30,989,717,775,149-42,765,556,378,505-16,926,923,038,956

Finding the Fourth Proportional to 30,989,717,775,149, 42,765,556,378,505 and 16,926,923,038,956

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Solution

The fourth proportional to 30,989,717,775,149, 42,765,556,378,505 and 16,926,923,038,956 is: 23,359,014,973,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989,717,775,149 : 42,765,556,378,505 = 16,926,923,038,956 : x
  2. Step 2: Convert to fraction form
    30,989,717,775,149/42,765,556,378,505 = 16,926,923,038,956/x
  3. Step 3: Cross multiply
    30,989,717,775,149x = 42,765,556,378,505 × 16,926,923,038,956
  4. Step 4: Simplify right side
    30,989,717,775,149x = 723,889,281,537,087,985,932,042,240
  5. Step 5: Solve for x
    x = 723,889,281,537,087,985,932,042,240/30,989,717,775,149
  6. Step 6: Final answer
    x = 23,359,014,973,591.75

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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.