Home / 683,552,457.86-943,305,281.28-370,286,671.41

Finding the Fourth Proportional to 683,552,457.86, 943,305,281.28 and 370,286,671.41

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Solution

The fourth proportional to 683,552,457.86, 943,305,281.28 and 370,286,671.41 is: 510,997,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,552,457.86 : 943,305,281.28 = 370,286,671.41 : x
  2. Step 2: Convert to fraction form
    683,552,457.86/943,305,281.28 = 370,286,671.41/x
  3. Step 3: Cross multiply
    683,552,457.86x = 943,305,281.28 × 370,286,671.41
  4. Step 4: Simplify right side
    683,552,457.86x = 349,293,372,728,644,992
  5. Step 5: Solve for x
    x = 349,293,372,728,644,992/683,552,457.86
  6. Step 6: Final answer
    x = 510,997,171.78

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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.