Home / 1,290,468,233,241.50-1,934,748,069,546.70-780,413,606,464.55

Finding the Fourth Proportional to 1,290,468,233,241.50, 1,934,748,069,546.70 and 780,413,606,464.55

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Solution

The fourth proportional to 1,290,468,233,241.50, 1,934,748,069,546.70 and 780,413,606,464.55 is: 1,170,043,306,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,468,233,241.50 : 1,934,748,069,546.70 = 780,413,606,464.55 : x
  2. Step 2: Convert to fraction form
    1,290,468,233,241.50/1,934,748,069,546.70 = 780,413,606,464.55/x
  3. Step 3: Cross multiply
    1,290,468,233,241.50x = 1,934,748,069,546.70 × 780,413,606,464.55
  4. Step 4: Simplify right side
    1,290,468,233,241.50x = 1,509,903,718,555,266,330,918,912
  5. Step 5: Solve for x
    x = 1,509,903,718,555,266,330,918,912/1,290,468,233,241.50
  6. Step 6: Final answer
    x = 1,170,043,306,500.13

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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.