Home / 314,936,608.40-472,404,912.60-99,525,856.40

Finding the Fourth Proportional to 314,936,608.40, 472,404,912.60 and 99,525,856.40

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Solution

The fourth proportional to 314,936,608.40, 472,404,912.60 and 99,525,856.40 is: 149,288,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,936,608.40 : 472,404,912.60 = 99,525,856.40 : x
  2. Step 2: Convert to fraction form
    314,936,608.40/472,404,912.60 = 99,525,856.40/x
  3. Step 3: Cross multiply
    314,936,608.40x = 472,404,912.60 × 99,525,856.40
  4. Step 4: Simplify right side
    314,936,608.40x = 47,016,503,494,082,152
  5. Step 5: Solve for x
    x = 47,016,503,494,082,152/314,936,608.40
  6. Step 6: Final answer
    x = 149,288,784.60

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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.