Home / 511,674,856.18-706,111,773.12-276,725,516.81

Finding the Fourth Proportional to 511,674,856.18, 706,111,773.12 and 276,725,516.81

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Solution

The fourth proportional to 511,674,856.18, 706,111,773.12 and 276,725,516.81 is: 381,881,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,674,856.18 : 706,111,773.12 = 276,725,516.81 : x
  2. Step 2: Convert to fraction form
    511,674,856.18/706,111,773.12 = 276,725,516.81/x
  3. Step 3: Cross multiply
    511,674,856.18x = 706,111,773.12 × 276,725,516.81
  4. Step 4: Simplify right side
    511,674,856.18x = 195,399,145,339,496,192
  5. Step 5: Solve for x
    x = 195,399,145,339,496,192/511,674,856.18
  6. Step 6: Final answer
    x = 381,881,468.24

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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.