Home / 1,098,998,063.33-1,648,559,935.70-311,990,157.79

Finding the Fourth Proportional to 1,098,998,063.33, 1,648,559,935.70 and 311,990,157.79

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Solution

The fourth proportional to 1,098,998,063.33, 1,648,559,935.70 and 311,990,157.79 is: 468,003,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,998,063.33 : 1,648,559,935.70 = 311,990,157.79 : x
  2. Step 2: Convert to fraction form
    1,098,998,063.33/1,648,559,935.70 = 311,990,157.79/x
  3. Step 3: Cross multiply
    1,098,998,063.33x = 1,648,559,935.70 × 311,990,157.79
  4. Step 4: Simplify right side
    1,098,998,063.33x = 514,334,474,470,086,144
  5. Step 5: Solve for x
    x = 514,334,474,470,086,144/1,098,998,063.33
  6. Step 6: Final answer
    x = 468,003,076.29

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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.