Home / 661,768,098.40-992,652,147.60-201,705,529.60

Finding the Fourth Proportional to 661,768,098.40, 992,652,147.60 and 201,705,529.60

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Solution

The fourth proportional to 661,768,098.40, 992,652,147.60 and 201,705,529.60 is: 302,558,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,768,098.40 : 992,652,147.60 = 201,705,529.60 : x
  2. Step 2: Convert to fraction form
    661,768,098.40/992,652,147.60 = 201,705,529.60/x
  3. Step 3: Cross multiply
    661,768,098.40x = 992,652,147.60 × 201,705,529.60
  4. Step 4: Simplify right side
    661,768,098.40x = 200,223,427,140,235,360
  5. Step 5: Solve for x
    x = 200,223,427,140,235,360/661,768,098.40
  6. Step 6: Final answer
    x = 302,558,294.40

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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.