Home / 698,761,704.70-1,048,142,557.05-214,024,527.10

Finding the Fourth Proportional to 698,761,704.70, 1,048,142,557.05 and 214,024,527.10

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Solution

The fourth proportional to 698,761,704.70, 1,048,142,557.05 and 214,024,527.10 is: 321,036,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,761,704.70 : 1,048,142,557.05 = 214,024,527.10 : x
  2. Step 2: Convert to fraction form
    698,761,704.70/1,048,142,557.05 = 214,024,527.10/x
  3. Step 3: Cross multiply
    698,761,704.70x = 1,048,142,557.05 × 214,024,527.10
  4. Step 4: Simplify right side
    698,761,704.70x = 224,328,215,106,011,008
  5. Step 5: Solve for x
    x = 224,328,215,106,011,008/698,761,704.70
  6. Step 6: Final answer
    x = 321,036,790.65

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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.