Home / 326,733,912-450,879,679-178,051,864.16

Finding the Fourth Proportional to 326,733,912, 450,879,679 and 178,051,864.16

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Solution

The fourth proportional to 326,733,912, 450,879,679 and 178,051,864.16 is: 245,704,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,733,912 : 450,879,679 = 178,051,864.16 : x
  2. Step 2: Convert to fraction form
    326,733,912/450,879,679 = 178,051,864.16/x
  3. Step 3: Cross multiply
    326,733,912x = 450,879,679 × 178,051,864.16
  4. Step 4: Simplify right side
    326,733,912x = 80,279,967,357,812,400
  5. Step 5: Solve for x
    x = 80,279,967,357,812,400/326,733,912
  6. Step 6: Final answer
    x = 245,704,423.11

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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.