Home / 698,761,812.70-1,048,142,719.05-214,024,635.10

Finding the Fourth Proportional to 698,761,812.70, 1,048,142,719.05 and 214,024,635.10

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Solution

The fourth proportional to 698,761,812.70, 1,048,142,719.05 and 214,024,635.10 is: 321,036,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,761,812.70 : 1,048,142,719.05 = 214,024,635.10 : x
  2. Step 2: Convert to fraction form
    698,761,812.70/1,048,142,719.05 = 214,024,635.10/x
  3. Step 3: Cross multiply
    698,761,812.70x = 1,048,142,719.05 × 214,024,635.10
  4. Step 4: Simplify right side
    698,761,812.70x = 224,328,362,977,398,048
  5. Step 5: Solve for x
    x = 224,328,362,977,398,048/698,761,812.70
  6. Step 6: Final answer
    x = 321,036,952.65

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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.