Home / 298,959,508.60-448,439,262.90-137,716,372.60

Finding the Fourth Proportional to 298,959,508.60, 448,439,262.90 and 137,716,372.60

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Solution

The fourth proportional to 298,959,508.60, 448,439,262.90 and 137,716,372.60 is: 206,574,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,959,508.60 : 448,439,262.90 = 137,716,372.60 : x
  2. Step 2: Convert to fraction form
    298,959,508.60/448,439,262.90 = 137,716,372.60/x
  3. Step 3: Cross multiply
    298,959,508.60x = 448,439,262.90 × 137,716,372.60
  4. Step 4: Simplify right side
    298,959,508.60x = 61,757,428,618,005,752
  5. Step 5: Solve for x
    x = 61,757,428,618,005,752/298,959,508.60
  6. Step 6: Final answer
    x = 206,574,558.90

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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.