Home / 1,231,362,891.54-1,849,990,970.57-789,571,141.34

Finding the Fourth Proportional to 1,231,362,891.54, 1,849,990,970.57 and 789,571,141.34

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Solution

The fourth proportional to 1,231,362,891.54, 1,849,990,970.57 and 789,571,141.34 is: 1,186,246,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,362,891.54 : 1,849,990,970.57 = 789,571,141.34 : x
  2. Step 2: Convert to fraction form
    1,231,362,891.54/1,849,990,970.57 = 789,571,141.34/x
  3. Step 3: Cross multiply
    1,231,362,891.54x = 1,849,990,970.57 × 789,571,141.34
  4. Step 4: Simplify right side
    1,231,362,891.54x = 1,460,699,482,101,649,152
  5. Step 5: Solve for x
    x = 1,460,699,482,101,649,152/1,231,362,891.54
  6. Step 6: Final answer
    x = 1,186,246,144.12

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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.