Home / 394,786,015.08-592,348,389.66-152,618,980.20

Finding the Fourth Proportional to 394,786,015.08, 592,348,389.66 and 152,618,980.20

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Solution

The fourth proportional to 394,786,015.08, 592,348,389.66 and 152,618,980.20 is: 228,993,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,786,015.08 : 592,348,389.66 = 152,618,980.20 : x
  2. Step 2: Convert to fraction form
    394,786,015.08/592,348,389.66 = 152,618,980.20/x
  3. Step 3: Cross multiply
    394,786,015.08x = 592,348,389.66 × 152,618,980.20
  4. Step 4: Simplify right side
    394,786,015.08x = 90,403,607,153,021,408
  5. Step 5: Solve for x
    x = 90,403,607,153,021,408/394,786,015.08
  6. Step 6: Final answer
    x = 228,993,945.33

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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.