Home / 504,390,842.51-756,559,359.47-135,919,878.86

Finding the Fourth Proportional to 504,390,842.51, 756,559,359.47 and 135,919,878.86

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Solution

The fourth proportional to 504,390,842.51, 756,559,359.47 and 135,919,878.86 is: 203,872,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,390,842.51 : 756,559,359.47 = 135,919,878.86 : x
  2. Step 2: Convert to fraction form
    504,390,842.51/756,559,359.47 = 135,919,878.86/x
  3. Step 3: Cross multiply
    504,390,842.51x = 756,559,359.47 × 135,919,878.86
  4. Step 4: Simplify right side
    504,390,842.51x = 102,831,456,491,792,800
  5. Step 5: Solve for x
    x = 102,831,456,491,792,800/504,390,842.51
  6. Step 6: Final answer
    x = 203,872,568.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.