Home / 764,955,892.80-1,147,717,274.40-305,223,998.40

Finding the Fourth Proportional to 764,955,892.80, 1,147,717,274.40 and 305,223,998.40

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Solution

The fourth proportional to 764,955,892.80, 1,147,717,274.40 and 305,223,998.40 is: 457,949,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,955,892.80 : 1,147,717,274.40 = 305,223,998.40 : x
  2. Step 2: Convert to fraction form
    764,955,892.80/1,147,717,274.40 = 305,223,998.40/x
  3. Step 3: Cross multiply
    764,955,892.80x = 1,147,717,274.40 × 305,223,998.40
  4. Step 4: Simplify right side
    764,955,892.80x = 350,310,855,525,117,952
  5. Step 5: Solve for x
    x = 350,310,855,525,117,952/764,955,892.80
  6. Step 6: Final answer
    x = 457,949,090.69

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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.