Home / 399,573,804,469.53-599,395,941,519.20-112,734,371,041.05

Finding the Fourth Proportional to 399,573,804,469.53, 599,395,941,519.20 and 112,734,371,041.05

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Solution

The fourth proportional to 399,573,804,469.53, 599,395,941,519.20 and 112,734,371,041.05 is: 169,111,497,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,573,804,469.53 : 599,395,941,519.20 = 112,734,371,041.05 : x
  2. Step 2: Convert to fraction form
    399,573,804,469.53/599,395,941,519.20 = 112,734,371,041.05/x
  3. Step 3: Cross multiply
    399,573,804,469.53x = 599,395,941,519.20 × 112,734,371,041.05
  4. Step 4: Simplify right side
    399,573,804,469.53x = 67,572,524,471,724,997,083,136
  5. Step 5: Solve for x
    x = 67,572,524,471,724,997,083,136/399,573,804,469.53
  6. Step 6: Final answer
    x = 169,111,497,590.37

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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.