Home / 576,919,818.12-796,152,119.94-312,601,741.32

Finding the Fourth Proportional to 576,919,818.12, 796,152,119.94 and 312,601,741.32

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Solution

The fourth proportional to 576,919,818.12, 796,152,119.94 and 312,601,741.32 is: 431,391,904.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,919,818.12 : 796,152,119.94 = 312,601,741.32 : x
  2. Step 2: Convert to fraction form
    576,919,818.12/796,152,119.94 = 312,601,741.32/x
  3. Step 3: Cross multiply
    576,919,818.12x = 796,152,119.94 × 312,601,741.32
  4. Step 4: Simplify right side
    576,919,818.12x = 248,878,539,048,853,504
  5. Step 5: Solve for x
    x = 248,878,539,048,853,504/576,919,818.12
  6. Step 6: Final answer
    x = 431,391,904.44

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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.