Home / 1,276,010,192.40-1,914,015,288.60-306,661,808.40

Finding the Fourth Proportional to 1,276,010,192.40, 1,914,015,288.60 and 306,661,808.40

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Solution

The fourth proportional to 1,276,010,192.40, 1,914,015,288.60 and 306,661,808.40 is: 459,992,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,010,192.40 : 1,914,015,288.60 = 306,661,808.40 : x
  2. Step 2: Convert to fraction form
    1,276,010,192.40/1,914,015,288.60 = 306,661,808.40/x
  3. Step 3: Cross multiply
    1,276,010,192.40x = 1,914,015,288.60 × 306,661,808.40
  4. Step 4: Simplify right side
    1,276,010,192.40x = 586,955,389,707,323,776
  5. Step 5: Solve for x
    x = 586,955,389,707,323,776/1,276,010,192.40
  6. Step 6: Final answer
    x = 459,992,712.60

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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.