Home / 498,481,710-687,903,068.52-275,457,165.36

Finding the Fourth Proportional to 498,481,710, 687,903,068.52 and 275,457,165.36

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Solution

The fourth proportional to 498,481,710, 687,903,068.52 and 275,457,165.36 is: 380,129,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,481,710 : 687,903,068.52 = 275,457,165.36 : x
  2. Step 2: Convert to fraction form
    498,481,710/687,903,068.52 = 275,457,165.36/x
  3. Step 3: Cross multiply
    498,481,710x = 687,903,068.52 × 275,457,165.36
  4. Step 4: Simplify right side
    498,481,710x = 189,487,829,296,965,056
  5. Step 5: Solve for x
    x = 189,487,829,296,965,056/498,481,710
  6. Step 6: Final answer
    x = 380,129,953.61

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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.