Home / 1,259,723,004.80-1,889,584,507.20-569,652,771.20

Finding the Fourth Proportional to 1,259,723,004.80, 1,889,584,507.20 and 569,652,771.20

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Solution

The fourth proportional to 1,259,723,004.80, 1,889,584,507.20 and 569,652,771.20 is: 854,479,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,723,004.80 : 1,889,584,507.20 = 569,652,771.20 : x
  2. Step 2: Convert to fraction form
    1,259,723,004.80/1,889,584,507.20 = 569,652,771.20/x
  3. Step 3: Cross multiply
    1,259,723,004.80x = 1,889,584,507.20 × 569,652,771.20
  4. Step 4: Simplify right side
    1,259,723,004.80x = 1,076,407,050,943,066,496
  5. Step 5: Solve for x
    x = 1,076,407,050,943,066,496/1,259,723,004.80
  6. Step 6: Final answer
    x = 854,479,156.80

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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.