Home / 9,980,970,446,929.60-13,773,728,770,452-5,591,331,785,721.40

Finding the Fourth Proportional to 9,980,970,446,929.60, 13,773,728,770,452 and 5,591,331,785,721.40

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Solution

The fourth proportional to 9,980,970,446,929.60, 13,773,728,770,452 and 5,591,331,785,721.40 is: 7,716,032,012,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,970,446,929.60 : 13,773,728,770,452 = 5,591,331,785,721.40 : x
  2. Step 2: Convert to fraction form
    9,980,970,446,929.60/13,773,728,770,452 = 5,591,331,785,721.40/x
  3. Step 3: Cross multiply
    9,980,970,446,929.60x = 13,773,728,770,452 × 5,591,331,785,721.40
  4. Step 4: Simplify right side
    9,980,970,446,929.60x = 77,013,487,482,133,610,391,142,400
  5. Step 5: Solve for x
    x = 77,013,487,482,133,610,391,142,400/9,980,970,446,929.60
  6. Step 6: Final answer
    x = 7,716,032,012,280.42

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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.