Home / 354,315,410.60-531,473,115.90-339,009,909.80

Finding the Fourth Proportional to 354,315,410.60, 531,473,115.90 and 339,009,909.80

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Solution

The fourth proportional to 354,315,410.60, 531,473,115.90 and 339,009,909.80 is: 508,514,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,315,410.60 : 531,473,115.90 = 339,009,909.80 : x
  2. Step 2: Convert to fraction form
    354,315,410.60/531,473,115.90 = 339,009,909.80/x
  3. Step 3: Cross multiply
    354,315,410.60x = 531,473,115.90 × 339,009,909.80
  4. Step 4: Simplify right side
    354,315,410.60x = 180,174,653,082,383,936
  5. Step 5: Solve for x
    x = 180,174,653,082,383,936/354,315,410.60
  6. Step 6: Final answer
    x = 508,514,864.70

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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.