Home / 886,164,021.80-1,330,442,759.10-518,076,175.40

Finding the Fourth Proportional to 886,164,021.80, 1,330,442,759.10 and 518,076,175.40

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Solution

The fourth proportional to 886,164,021.80, 1,330,442,759.10 and 518,076,175.40 is: 777,813,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,164,021.80 : 1,330,442,759.10 = 518,076,175.40 : x
  2. Step 2: Convert to fraction form
    886,164,021.80/1,330,442,759.10 = 518,076,175.40/x
  3. Step 3: Cross multiply
    886,164,021.80x = 1,330,442,759.10 × 518,076,175.40
  4. Step 4: Simplify right side
    886,164,021.80x = 689,270,696,223,151,488
  5. Step 5: Solve for x
    x = 689,270,696,223,151,488/886,164,021.80
  6. Step 6: Final answer
    x = 777,813,902.69

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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.