Home / 356,335,504.40-534,503,256.60-298,939,876.40

Finding the Fourth Proportional to 356,335,504.40, 534,503,256.60 and 298,939,876.40

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Solution

The fourth proportional to 356,335,504.40, 534,503,256.60 and 298,939,876.40 is: 448,409,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,335,504.40 : 534,503,256.60 = 298,939,876.40 : x
  2. Step 2: Convert to fraction form
    356,335,504.40/534,503,256.60 = 298,939,876.40/x
  3. Step 3: Cross multiply
    356,335,504.40x = 534,503,256.60 × 298,939,876.40
  4. Step 4: Simplify right side
    356,335,504.40x = 159,784,337,463,401,472
  5. Step 5: Solve for x
    x = 159,784,337,463,401,472/356,335,504.40
  6. Step 6: Final answer
    x = 448,409,814.60

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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.