Home / 343,318,187.20-514,977,280.80-305,904,740.80

Finding the Fourth Proportional to 343,318,187.20, 514,977,280.80 and 305,904,740.80

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Solution

The fourth proportional to 343,318,187.20, 514,977,280.80 and 305,904,740.80 is: 458,857,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,318,187.20 : 514,977,280.80 = 305,904,740.80 : x
  2. Step 2: Convert to fraction form
    343,318,187.20/514,977,280.80 = 305,904,740.80/x
  3. Step 3: Cross multiply
    343,318,187.20x = 514,977,280.80 × 305,904,740.80
  4. Step 4: Simplify right side
    343,318,187.20x = 157,533,991,601,012,832
  5. Step 5: Solve for x
    x = 157,533,991,601,012,832/343,318,187.20
  6. Step 6: Final answer
    x = 458,857,111.20

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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.