Home / 358,731,211.80-538,096,817.70-272,000,040.60

Finding the Fourth Proportional to 358,731,211.80, 538,096,817.70 and 272,000,040.60

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Solution

The fourth proportional to 358,731,211.80, 538,096,817.70 and 272,000,040.60 is: 408,000,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,731,211.80 : 538,096,817.70 = 272,000,040.60 : x
  2. Step 2: Convert to fraction form
    358,731,211.80/538,096,817.70 = 272,000,040.60/x
  3. Step 3: Cross multiply
    358,731,211.80x = 538,096,817.70 × 272,000,040.60
  4. Step 4: Simplify right side
    358,731,211.80x = 146,362,356,261,130,816
  5. Step 5: Solve for x
    x = 146,362,356,261,130,816/358,731,211.80
  6. Step 6: Final answer
    x = 408,000,060.90

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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.