Home / 514,195,825.44-709,807,385.52-347,158,359.84

Finding the Fourth Proportional to 514,195,825.44, 709,807,385.52 and 347,158,359.84

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Solution

The fourth proportional to 514,195,825.44, 709,807,385.52 and 347,158,359.84 is: 479,225,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,195,825.44 : 709,807,385.52 = 347,158,359.84 : x
  2. Step 2: Convert to fraction form
    514,195,825.44/709,807,385.52 = 347,158,359.84/x
  3. Step 3: Cross multiply
    514,195,825.44x = 709,807,385.52 × 347,158,359.84
  4. Step 4: Simplify right side
    514,195,825.44x = 246,415,567,759,441,728
  5. Step 5: Solve for x
    x = 246,415,567,759,441,728/514,195,825.44
  6. Step 6: Final answer
    x = 479,225,142.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.