Home / 397,621,065.21-596,154,472.72-176,172,036.18

Finding the Fourth Proportional to 397,621,065.21, 596,154,472.72 and 176,172,036.18

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Solution

The fourth proportional to 397,621,065.21, 596,154,472.72 and 176,172,036.18 is: 264,135,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,621,065.21 : 596,154,472.72 = 176,172,036.18 : x
  2. Step 2: Convert to fraction form
    397,621,065.21/596,154,472.72 = 176,172,036.18/x
  3. Step 3: Cross multiply
    397,621,065.21x = 596,154,472.72 × 176,172,036.18
  4. Step 4: Simplify right side
    397,621,065.21x = 105,025,747,336,456,240
  5. Step 5: Solve for x
    x = 105,025,747,336,456,240/397,621,065.21
  6. Step 6: Final answer
    x = 264,135,269.80

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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.