Home / 771,093,984,010.40-1,156,640,976,015.60-274,608,452,362.40

Finding the Fourth Proportional to 771,093,984,010.40, 1,156,640,976,015.60 and 274,608,452,362.40

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Solution

The fourth proportional to 771,093,984,010.40, 1,156,640,976,015.60 and 274,608,452,362.40 is: 411,912,678,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,093,984,010.40 : 1,156,640,976,015.60 = 274,608,452,362.40 : x
  2. Step 2: Convert to fraction form
    771,093,984,010.40/1,156,640,976,015.60 = 274,608,452,362.40/x
  3. Step 3: Cross multiply
    771,093,984,010.40x = 1,156,640,976,015.60 × 274,608,452,362.40
  4. Step 4: Simplify right side
    771,093,984,010.40x = 317,623,388,362,579,774,537,728
  5. Step 5: Solve for x
    x = 317,623,388,362,579,774,537,728/771,093,984,010.40
  6. Step 6: Final answer
    x = 411,912,678,543.60

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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.