Home / 945,134,271.92-1,304,251,114.74-521,738,843.96

Finding the Fourth Proportional to 945,134,271.92, 1,304,251,114.74 and 521,738,843.96

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Solution

The fourth proportional to 945,134,271.92, 1,304,251,114.74 and 521,738,843.96 is: 719,980,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,134,271.92 : 1,304,251,114.74 = 521,738,843.96 : x
  2. Step 2: Convert to fraction form
    945,134,271.92/1,304,251,114.74 = 521,738,843.96/x
  3. Step 3: Cross multiply
    945,134,271.92x = 1,304,251,114.74 × 521,738,843.96
  4. Step 4: Simplify right side
    945,134,271.92x = 680,478,468,837,988,864
  5. Step 5: Solve for x
    x = 680,478,468,837,988,864/945,134,271.92
  6. Step 6: Final answer
    x = 719,980,736.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.