Home / 925,013,816.25-1,387,883,880.59-407,080,941.63

Finding the Fourth Proportional to 925,013,816.25, 1,387,883,880.59 and 407,080,941.63

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Solution

The fourth proportional to 925,013,816.25, 1,387,883,880.59 and 407,080,941.63 is: 610,781,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,013,816.25 : 1,387,883,880.59 = 407,080,941.63 : x
  2. Step 2: Convert to fraction form
    925,013,816.25/1,387,883,880.59 = 407,080,941.63/x
  3. Step 3: Cross multiply
    925,013,816.25x = 1,387,883,880.59 × 407,080,941.63
  4. Step 4: Simplify right side
    925,013,816.25x = 564,981,076,981,640,256
  5. Step 5: Solve for x
    x = 564,981,076,981,640,256/925,013,816.25
  6. Step 6: Final answer
    x = 610,781,230.57

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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.