Home / 409,591,013.10-614,466,235.80-118,467,633.30

Finding the Fourth Proportional to 409,591,013.10, 614,466,235.80 and 118,467,633.30

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Solution

The fourth proportional to 409,591,013.10, 614,466,235.80 and 118,467,633.30 is: 177,724,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,591,013.10 : 614,466,235.80 = 118,467,633.30 : x
  2. Step 2: Convert to fraction form
    409,591,013.10/614,466,235.80 = 118,467,633.30/x
  3. Step 3: Cross multiply
    409,591,013.10x = 614,466,235.80 × 118,467,633.30
  4. Step 4: Simplify right side
    409,591,013.10x = 72,794,360,697,985,728
  5. Step 5: Solve for x
    x = 72,794,360,697,985,728/409,591,013.10
  6. Step 6: Final answer
    x = 177,724,506.57

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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.