Home / 1,638,806,657.70-2,458,209,986.55-1,466,619,773.70

Finding the Fourth Proportional to 1,638,806,657.70, 2,458,209,986.55 and 1,466,619,773.70

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Solution

The fourth proportional to 1,638,806,657.70, 2,458,209,986.55 and 1,466,619,773.70 is: 2,199,929,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,806,657.70 : 2,458,209,986.55 = 1,466,619,773.70 : x
  2. Step 2: Convert to fraction form
    1,638,806,657.70/2,458,209,986.55 = 1,466,619,773.70/x
  3. Step 3: Cross multiply
    1,638,806,657.70x = 2,458,209,986.55 × 1,466,619,773.70
  4. Step 4: Simplify right side
    1,638,806,657.70x = 3,605,259,374,181,041,664
  5. Step 5: Solve for x
    x = 3,605,259,374,181,041,664/1,638,806,657.70
  6. Step 6: Final answer
    x = 2,199,929,660.55

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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.