Home / 472,344,284.30-651,964,761.48-274,169,624.72

Finding the Fourth Proportional to 472,344,284.30, 651,964,761.48 and 274,169,624.72

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Solution

The fourth proportional to 472,344,284.30, 651,964,761.48 and 274,169,624.72 is: 378,429,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,344,284.30 : 651,964,761.48 = 274,169,624.72 : x
  2. Step 2: Convert to fraction form
    472,344,284.30/651,964,761.48 = 274,169,624.72/x
  3. Step 3: Cross multiply
    472,344,284.30x = 651,964,761.48 × 274,169,624.72
  4. Step 4: Simplify right side
    472,344,284.30x = 178,748,933,985,635,936
  5. Step 5: Solve for x
    x = 178,748,933,985,635,936/472,344,284.30
  6. Step 6: Final answer
    x = 378,429,336.24

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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.