Home / 13,991,406,761,378-20,989,972,533,034-4,811,272,334,825.20

Finding the Fourth Proportional to 13,991,406,761,378, 20,989,972,533,034 and 4,811,272,334,825.20

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Solution

The fourth proportional to 13,991,406,761,378, 20,989,972,533,034 and 4,811,272,334,825.20 is: 7,217,892,802,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,406,761,378 : 20,989,972,533,034 = 4,811,272,334,825.20 : x
  2. Step 2: Convert to fraction form
    13,991,406,761,378/20,989,972,533,034 = 4,811,272,334,825.20/x
  3. Step 3: Cross multiply
    13,991,406,761,378x = 20,989,972,533,034 × 4,811,272,334,825.20
  4. Step 4: Simplify right side
    13,991,406,761,378x = 100,988,474,156,927,307,369,938,944
  5. Step 5: Solve for x
    x = 100,988,474,156,927,307,369,938,944/13,991,406,761,378
  6. Step 6: Final answer
    x = 7,217,892,802,294.68

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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.