Home / 343,318,281.70-514,977,422.55-305,904,835.30

Finding the Fourth Proportional to 343,318,281.70, 514,977,422.55 and 305,904,835.30

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Solution

The fourth proportional to 343,318,281.70, 514,977,422.55 and 305,904,835.30 is: 458,857,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,318,281.70 : 514,977,422.55 = 305,904,835.30 : x
  2. Step 2: Convert to fraction form
    343,318,281.70/514,977,422.55 = 305,904,835.30/x
  3. Step 3: Cross multiply
    343,318,281.70x = 514,977,422.55 × 305,904,835.30
  4. Step 4: Simplify right side
    343,318,281.70x = 157,534,083,628,376,256
  5. Step 5: Solve for x
    x = 157,534,083,628,376,256/343,318,281.70
  6. Step 6: Final answer
    x = 458,857,252.95

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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.