Home / 667,020,005.20-1,000,530,007.80-182,345,813.20

Finding the Fourth Proportional to 667,020,005.20, 1,000,530,007.80 and 182,345,813.20

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Solution

The fourth proportional to 667,020,005.20, 1,000,530,007.80 and 182,345,813.20 is: 273,518,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,020,005.20 : 1,000,530,007.80 = 182,345,813.20 : x
  2. Step 2: Convert to fraction form
    667,020,005.20/1,000,530,007.80 = 182,345,813.20/x
  3. Step 3: Cross multiply
    667,020,005.20x = 1,000,530,007.80 × 182,345,813.20
  4. Step 4: Simplify right side
    667,020,005.20x = 182,442,457,903,293,312
  5. Step 5: Solve for x
    x = 182,442,457,903,293,312/667,020,005.20
  6. Step 6: Final answer
    x = 273,518,719.80

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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.