Home / 343,318,280.70-514,977,421.05-305,904,834.30

Finding the Fourth Proportional to 343,318,280.70, 514,977,421.05 and 305,904,834.30

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Solution

The fourth proportional to 343,318,280.70, 514,977,421.05 and 305,904,834.30 is: 458,857,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,318,280.70 : 514,977,421.05 = 305,904,834.30 : x
  2. Step 2: Convert to fraction form
    343,318,280.70/514,977,421.05 = 305,904,834.30/x
  3. Step 3: Cross multiply
    343,318,280.70x = 514,977,421.05 × 305,904,834.30
  4. Step 4: Simplify right side
    343,318,280.70x = 157,534,082,654,541,600
  5. Step 5: Solve for x
    x = 157,534,082,654,541,600/343,318,280.70
  6. Step 6: Final answer
    x = 458,857,251.45

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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.