Home / 780,109,217.04-1,076,550,460.43-427,677,640.95

Finding the Fourth Proportional to 780,109,217.04, 1,076,550,460.43 and 427,677,640.95

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Solution

The fourth proportional to 780,109,217.04, 1,076,550,460.43 and 427,677,640.95 is: 590,195,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,109,217.04 : 1,076,550,460.43 = 427,677,640.95 : x
  2. Step 2: Convert to fraction form
    780,109,217.04/1,076,550,460.43 = 427,677,640.95/x
  3. Step 3: Cross multiply
    780,109,217.04x = 1,076,550,460.43 × 427,677,640.95
  4. Step 4: Simplify right side
    780,109,217.04x = 460,416,561,278,200,320
  5. Step 5: Solve for x
    x = 460,416,561,278,200,320/780,109,217.04
  6. Step 6: Final answer
    x = 590,195,002.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.