Home / 407,996,087.40-612,068,780.70-165,683,485.80

Finding the Fourth Proportional to 407,996,087.40, 612,068,780.70 and 165,683,485.80

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Solution

The fourth proportional to 407,996,087.40, 612,068,780.70 and 165,683,485.80 is: 248,555,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,996,087.40 : 612,068,780.70 = 165,683,485.80 : x
  2. Step 2: Convert to fraction form
    407,996,087.40/612,068,780.70 = 165,683,485.80/x
  3. Step 3: Cross multiply
    407,996,087.40x = 612,068,780.70 × 165,683,485.80
  4. Step 4: Simplify right side
    407,996,087.40x = 101,409,689,135,731,776
  5. Step 5: Solve for x
    x = 101,409,689,135,731,776/407,996,087.40
  6. Step 6: Final answer
    x = 248,555,543.22

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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.