Home / 672,167,905.40-1,008,251,858.10-263,088,097.40

Finding the Fourth Proportional to 672,167,905.40, 1,008,251,858.10 and 263,088,097.40

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Solution

The fourth proportional to 672,167,905.40, 1,008,251,858.10 and 263,088,097.40 is: 394,632,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,167,905.40 : 1,008,251,858.10 = 263,088,097.40 : x
  2. Step 2: Convert to fraction form
    672,167,905.40/1,008,251,858.10 = 263,088,097.40/x
  3. Step 3: Cross multiply
    672,167,905.40x = 1,008,251,858.10 × 263,088,097.40
  4. Step 4: Simplify right side
    672,167,905.40x = 265,259,063,047,543,776
  5. Step 5: Solve for x
    x = 265,259,063,047,543,776/672,167,905.40
  6. Step 6: Final answer
    x = 394,632,146.10

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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.