Home / 343,297,205.60-514,945,808.40-305,673,807.20

Finding the Fourth Proportional to 343,297,205.60, 514,945,808.40 and 305,673,807.20

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Solution

The fourth proportional to 343,297,205.60, 514,945,808.40 and 305,673,807.20 is: 458,510,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,297,205.60 : 514,945,808.40 = 305,673,807.20 : x
  2. Step 2: Convert to fraction form
    343,297,205.60/514,945,808.40 = 305,673,807.20/x
  3. Step 3: Cross multiply
    343,297,205.60x = 514,945,808.40 × 305,673,807.20
  4. Step 4: Simplify right side
    343,297,205.60x = 157,405,445,755,309,728
  5. Step 5: Solve for x
    x = 157,405,445,755,309,728/343,297,205.60
  6. Step 6: Final answer
    x = 458,510,710.80

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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.