Home / 545,761,653.91-753,227,893.34-347,459,802.91

Finding the Fourth Proportional to 545,761,653.91, 753,227,893.34 and 347,459,802.91

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Solution

The fourth proportional to 545,761,653.91, 753,227,893.34 and 347,459,802.91 is: 479,543,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,761,653.91 : 753,227,893.34 = 347,459,802.91 : x
  2. Step 2: Convert to fraction form
    545,761,653.91/753,227,893.34 = 347,459,802.91/x
  3. Step 3: Cross multiply
    545,761,653.91x = 753,227,893.34 × 347,459,802.91
  4. Step 4: Simplify right side
    545,761,653.91x = 261,716,415,364,493,632
  5. Step 5: Solve for x
    x = 261,716,415,364,493,632/545,761,653.91
  6. Step 6: Final answer
    x = 479,543,429.79

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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.