Home / 523,713,830.94-785,631,532.03-173,991,109.28

Finding the Fourth Proportional to 523,713,830.94, 785,631,532.03 and 173,991,109.28

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Solution

The fourth proportional to 523,713,830.94, 785,631,532.03 and 173,991,109.28 is: 261,006,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,713,830.94 : 785,631,532.03 = 173,991,109.28 : x
  2. Step 2: Convert to fraction form
    523,713,830.94/785,631,532.03 = 173,991,109.28/x
  3. Step 3: Cross multiply
    523,713,830.94x = 785,631,532.03 × 173,991,109.28
  4. Step 4: Simplify right side
    523,713,830.94x = 136,692,901,738,882,432
  5. Step 5: Solve for x
    x = 136,692,901,738,882,432/523,713,830.94
  6. Step 6: Final answer
    x = 261,006,858.45

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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.