Home / 15,820,227,174.95-21,831,935,120.84-8,586,274,763.37

Finding the Fourth Proportional to 15,820,227,174.95, 21,831,935,120.84 and 8,586,274,763.37

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Solution

The fourth proportional to 15,820,227,174.95, 21,831,935,120.84 and 8,586,274,763.37 is: 11,849,070,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,227,174.95 : 21,831,935,120.84 = 8,586,274,763.37 : x
  2. Step 2: Convert to fraction form
    15,820,227,174.95/21,831,935,120.84 = 8,586,274,763.37/x
  3. Step 3: Cross multiply
    15,820,227,174.95x = 21,831,935,120.84 × 8,586,274,763.37
  4. Step 4: Simplify right side
    15,820,227,174.95x = 187,454,993,563,680,735,232
  5. Step 5: Solve for x
    x = 187,454,993,563,680,735,232/15,820,227,174.95
  6. Step 6: Final answer
    x = 11,849,070,907.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.