Home / 288,333,431.81-397,879,478.96-169,260,858.83

Finding the Fourth Proportional to 288,333,431.81, 397,879,478.96 and 169,260,858.83

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Solution

The fourth proportional to 288,333,431.81, 397,879,478.96 and 169,260,858.83 is: 233,567,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,333,431.81 : 397,879,478.96 = 169,260,858.83 : x
  2. Step 2: Convert to fraction form
    288,333,431.81/397,879,478.96 = 169,260,858.83/x
  3. Step 3: Cross multiply
    288,333,431.81x = 397,879,478.96 × 169,260,858.83
  4. Step 4: Simplify right side
    288,333,431.81x = 67,345,422,316,766,808
  5. Step 5: Solve for x
    x = 67,345,422,316,766,808/288,333,431.81
  6. Step 6: Final answer
    x = 233,567,858.90

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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.