Home / 840,665,938,614.40-1,261,161,146,247.40-274,551,431,927.70

Finding the Fourth Proportional to 840,665,938,614.40, 1,261,161,146,247.40 and 274,551,431,927.70

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Solution

The fourth proportional to 840,665,938,614.40, 1,261,161,146,247.40 and 274,551,431,927.70 is: 411,880,132,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,665,938,614.40 : 1,261,161,146,247.40 = 274,551,431,927.70 : x
  2. Step 2: Convert to fraction form
    840,665,938,614.40/1,261,161,146,247.40 = 274,551,431,927.70/x
  3. Step 3: Cross multiply
    840,665,938,614.40x = 1,261,161,146,247.40 × 274,551,431,927.70
  4. Step 4: Simplify right side
    840,665,938,614.40x = 346,253,598,593,803,156,979,712
  5. Step 5: Solve for x
    x = 346,253,598,593,803,156,979,712/840,665,938,614.40
  6. Step 6: Final answer
    x = 411,880,132,986.60

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Double scale
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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.