Home / 440,118,200.40-660,177,300.60-287,063,192.40

Finding the Fourth Proportional to 440,118,200.40, 660,177,300.60 and 287,063,192.40

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Solution

The fourth proportional to 440,118,200.40, 660,177,300.60 and 287,063,192.40 is: 430,594,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,118,200.40 : 660,177,300.60 = 287,063,192.40 : x
  2. Step 2: Convert to fraction form
    440,118,200.40/660,177,300.60 = 287,063,192.40/x
  3. Step 3: Cross multiply
    440,118,200.40x = 660,177,300.60 × 287,063,192.40
  4. Step 4: Simplify right side
    440,118,200.40x = 189,512,603,460,250,432
  5. Step 5: Solve for x
    x = 189,512,603,460,250,432/440,118,200.40
  6. Step 6: Final answer
    x = 430,594,788.60

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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.