Home / 670,427,236.60-1,005,683,362.89-210,383,563.48

Finding the Fourth Proportional to 670,427,236.60, 1,005,683,362.89 and 210,383,563.48

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Solution

The fourth proportional to 670,427,236.60, 1,005,683,362.89 and 210,383,563.48 is: 315,588,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,427,236.60 : 1,005,683,362.89 = 210,383,563.48 : x
  2. Step 2: Convert to fraction form
    670,427,236.60/1,005,683,362.89 = 210,383,563.48/x
  3. Step 3: Cross multiply
    670,427,236.60x = 1,005,683,362.89 × 210,383,563.48
  4. Step 4: Simplify right side
    670,427,236.60x = 211,579,249,617,348,192
  5. Step 5: Solve for x
    x = 211,579,249,617,348,192/670,427,236.60
  6. Step 6: Final answer
    x = 315,588,684.45

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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.