Home / 448,461,027.60-672,786,019.80-189,542,972.40

Finding the Fourth Proportional to 448,461,027.60, 672,786,019.80 and 189,542,972.40

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Solution

The fourth proportional to 448,461,027.60, 672,786,019.80 and 189,542,972.40 is: 284,354,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,461,027.60 : 672,786,019.80 = 189,542,972.40 : x
  2. Step 2: Convert to fraction form
    448,461,027.60/672,786,019.80 = 189,542,972.40/x
  3. Step 3: Cross multiply
    448,461,027.60x = 672,786,019.80 × 189,542,972.40
  4. Step 4: Simplify right side
    448,461,027.60x = 127,521,861,982,057,248
  5. Step 5: Solve for x
    x = 127,521,861,982,057,248/448,461,027.60
  6. Step 6: Final answer
    x = 284,354,390.09

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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.