Home / 442,880,627.60-664,320,941.40-313,634,176.40

Finding the Fourth Proportional to 442,880,627.60, 664,320,941.40 and 313,634,176.40

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Solution

The fourth proportional to 442,880,627.60, 664,320,941.40 and 313,634,176.40 is: 470,451,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880,627.60 : 664,320,941.40 = 313,634,176.40 : x
  2. Step 2: Convert to fraction form
    442,880,627.60/664,320,941.40 = 313,634,176.40/x
  3. Step 3: Cross multiply
    442,880,627.60x = 664,320,941.40 × 313,634,176.40
  4. Step 4: Simplify right side
    442,880,627.60x = 208,353,751,321,261,632
  5. Step 5: Solve for x
    x = 208,353,751,321,261,632/442,880,627.60
  6. Step 6: Final answer
    x = 470,451,264.60

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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.