Home / 632,416,515,408.64-872,710,313,750.40-343,378,159,341.64

Finding the Fourth Proportional to 632,416,515,408.64, 872,710,313,750.40 and 343,378,159,341.64

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Solution

The fourth proportional to 632,416,515,408.64, 872,710,313,750.40 and 343,378,159,341.64 is: 473,848,569,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,416,515,408.64 : 872,710,313,750.40 = 343,378,159,341.64 : x
  2. Step 2: Convert to fraction form
    632,416,515,408.64/872,710,313,750.40 = 343,378,159,341.64/x
  3. Step 3: Cross multiply
    632,416,515,408.64x = 872,710,313,750.40 × 343,378,159,341.64
  4. Step 4: Simplify right side
    632,416,515,408.64x = 299,669,661,174,077,511,958,528
  5. Step 5: Solve for x
    x = 299,669,661,174,077,511,958,528/632,416,515,408.64
  6. Step 6: Final answer
    x = 473,848,569,530.86

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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.