Home / 417,294,009.23-625,958,036.46-106,409,687.81

Finding the Fourth Proportional to 417,294,009.23, 625,958,036.46 and 106,409,687.81

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Solution

The fourth proportional to 417,294,009.23, 625,958,036.46 and 106,409,687.81 is: 159,618,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,294,009.23 : 625,958,036.46 = 106,409,687.81 : x
  2. Step 2: Convert to fraction form
    417,294,009.23/625,958,036.46 = 106,409,687.81/x
  3. Step 3: Cross multiply
    417,294,009.23x = 625,958,036.46 × 106,409,687.81
  4. Step 4: Simplify right side
    417,294,009.23x = 66,607,999,238,739,416
  5. Step 5: Solve for x
    x = 66,607,999,238,739,416/417,294,009.23
  6. Step 6: Final answer
    x = 159,618,872.46

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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.