Home / 322,570,812.40-483,856,218.60-289,314,415.60

Finding the Fourth Proportional to 322,570,812.40, 483,856,218.60 and 289,314,415.60

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Solution

The fourth proportional to 322,570,812.40, 483,856,218.60 and 289,314,415.60 is: 433,971,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,570,812.40 : 483,856,218.60 = 289,314,415.60 : x
  2. Step 2: Convert to fraction form
    322,570,812.40/483,856,218.60 = 289,314,415.60/x
  3. Step 3: Cross multiply
    322,570,812.40x = 483,856,218.60 × 289,314,415.60
  4. Step 4: Simplify right side
    322,570,812.40x = 139,986,579,118,684,864
  5. Step 5: Solve for x
    x = 139,986,579,118,684,864/322,570,812.40
  6. Step 6: Final answer
    x = 433,971,623.40

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1.5x scale

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.