Home / 13,991,406,761,415-20,989,972,533,090-4,811,272,334,862.40

Finding the Fourth Proportional to 13,991,406,761,415, 20,989,972,533,090 and 4,811,272,334,862.40

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Solution

The fourth proportional to 13,991,406,761,415, 20,989,972,533,090 and 4,811,272,334,862.40 is: 7,217,892,802,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,406,761,415 : 20,989,972,533,090 = 4,811,272,334,862.40 : x
  2. Step 2: Convert to fraction form
    13,991,406,761,415/20,989,972,533,090 = 4,811,272,334,862.40/x
  3. Step 3: Cross multiply
    13,991,406,761,415x = 20,989,972,533,090 × 4,811,272,334,862.40
  4. Step 4: Simplify right side
    13,991,406,761,415x = 100,988,474,157,977,581,492,633,600
  5. Step 5: Solve for x
    x = 100,988,474,157,977,581,492,633,600/13,991,406,761,415
  6. Step 6: Final answer
    x = 7,217,892,802,350.65

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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.