Home / 840,665,938,613.15-1,261,161,146,245.50-274,551,431,926.45

Finding the Fourth Proportional to 840,665,938,613.15, 1,261,161,146,245.50 and 274,551,431,926.45

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Solution

The fourth proportional to 840,665,938,613.15, 1,261,161,146,245.50 and 274,551,431,926.45 is: 411,880,132,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,665,938,613.15 : 1,261,161,146,245.50 = 274,551,431,926.45 : x
  2. Step 2: Convert to fraction form
    840,665,938,613.15/1,261,161,146,245.50 = 274,551,431,926.45/x
  3. Step 3: Cross multiply
    840,665,938,613.15x = 1,261,161,146,245.50 × 274,551,431,926.45
  4. Step 4: Simplify right side
    840,665,938,613.15x = 346,253,598,591,705,065,455,616
  5. Step 5: Solve for x
    x = 346,253,598,591,705,065,455,616/840,665,938,613.15
  6. Step 6: Final answer
    x = 411,880,132,984.72

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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.