Home / 841,447,387.40-1,262,306,707.92-259,181,362.16

Finding the Fourth Proportional to 841,447,387.40, 1,262,306,707.92 and 259,181,362.16

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Solution

The fourth proportional to 841,447,387.40, 1,262,306,707.92 and 259,181,362.16 is: 388,813,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,447,387.40 : 1,262,306,707.92 = 259,181,362.16 : x
  2. Step 2: Convert to fraction form
    841,447,387.40/1,262,306,707.92 = 259,181,362.16/x
  3. Step 3: Cross multiply
    841,447,387.40x = 1,262,306,707.92 × 259,181,362.16
  4. Step 4: Simplify right side
    841,447,387.40x = 327,166,372,022,410,880
  5. Step 5: Solve for x
    x = 327,166,372,022,410,880/841,447,387.40
  6. Step 6: Final answer
    x = 388,813,818.81

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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.