Home / 379,119,042.40-568,678,563.60-314,495,816.80

Finding the Fourth Proportional to 379,119,042.40, 568,678,563.60 and 314,495,816.80

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Solution

The fourth proportional to 379,119,042.40, 568,678,563.60 and 314,495,816.80 is: 471,743,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,119,042.40 : 568,678,563.60 = 314,495,816.80 : x
  2. Step 2: Convert to fraction form
    379,119,042.40/568,678,563.60 = 314,495,816.80/x
  3. Step 3: Cross multiply
    379,119,042.40x = 568,678,563.60 × 314,495,816.80
  4. Step 4: Simplify right side
    379,119,042.40x = 178,847,029,356,032,768
  5. Step 5: Solve for x
    x = 178,847,029,356,032,768/379,119,042.40
  6. Step 6: Final answer
    x = 471,743,725.20

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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.