Home / 525,784,846.48-721,783,568.14-451,316,122.77

Finding the Fourth Proportional to 525,784,846.48, 721,783,568.14 and 451,316,122.77

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Solution

The fourth proportional to 525,784,846.48, 721,783,568.14 and 451,316,122.77 is: 619,554,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,784,846.48 : 721,783,568.14 = 451,316,122.77 : x
  2. Step 2: Convert to fraction form
    525,784,846.48/721,783,568.14 = 451,316,122.77/x
  3. Step 3: Cross multiply
    525,784,846.48x = 721,783,568.14 × 451,316,122.77
  4. Step 4: Simplify right side
    525,784,846.48x = 325,752,561,448,431,936
  5. Step 5: Solve for x
    x = 325,752,561,448,431,936/525,784,846.48
  6. Step 6: Final answer
    x = 619,554,868.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.