Home / 555,129,408.80-832,096,916.40-209,949,658.40

Finding the Fourth Proportional to 555,129,408.80, 832,096,916.40 and 209,949,658.40

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Solution

The fourth proportional to 555,129,408.80, 832,096,916.40 and 209,949,658.40 is: 314,698,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,129,408.80 : 832,096,916.40 = 209,949,658.40 : x
  2. Step 2: Convert to fraction form
    555,129,408.80/832,096,916.40 = 209,949,658.40/x
  3. Step 3: Cross multiply
    555,129,408.80x = 832,096,916.40 × 209,949,658.40
  4. Step 4: Simplify right side
    555,129,408.80x = 174,698,463,353,873,344
  5. Step 5: Solve for x
    x = 174,698,463,353,873,344/555,129,408.80
  6. Step 6: Final answer
    x = 314,698,628.08

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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.