Home / 670,427,236.23-1,005,683,362.33-210,383,563.11

Finding the Fourth Proportional to 670,427,236.23, 1,005,683,362.33 and 210,383,563.11

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Solution

The fourth proportional to 670,427,236.23, 1,005,683,362.33 and 210,383,563.11 is: 315,588,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,427,236.23 : 1,005,683,362.33 = 210,383,563.11 : x
  2. Step 2: Convert to fraction form
    670,427,236.23/1,005,683,362.33 = 210,383,563.11/x
  3. Step 3: Cross multiply
    670,427,236.23x = 1,005,683,362.33 × 210,383,563.11
  4. Step 4: Simplify right side
    670,427,236.23x = 211,579,249,127,430,560
  5. Step 5: Solve for x
    x = 211,579,249,127,430,560/670,427,236.23
  6. Step 6: Final answer
    x = 315,588,683.89

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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.