Home / 511,158,325.63-705,398,459.43-276,208,979.41

Finding the Fourth Proportional to 511,158,325.63, 705,398,459.43 and 276,208,979.41

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Solution

The fourth proportional to 511,158,325.63, 705,398,459.43 and 276,208,979.41 is: 381,168,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,158,325.63 : 705,398,459.43 = 276,208,979.41 : x
  2. Step 2: Convert to fraction form
    511,158,325.63/705,398,459.43 = 276,208,979.41/x
  3. Step 3: Cross multiply
    511,158,325.63x = 705,398,459.43 × 276,208,979.41
  4. Step 4: Simplify right side
    511,158,325.63x = 194,837,388,553,019,552
  5. Step 5: Solve for x
    x = 194,837,388,553,019,552/511,158,325.63
  6. Step 6: Final answer
    x = 381,168,375.40

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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.