Home / 419,046,564,427.39-628,569,845,930.68-100,692,763,174.27

Finding the Fourth Proportional to 419,046,564,427.39, 628,569,845,930.68 and 100,692,763,174.27

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Solution

The fourth proportional to 419,046,564,427.39, 628,569,845,930.68 and 100,692,763,174.27 is: 151,039,144,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,046,564,427.39 : 628,569,845,930.68 = 100,692,763,174.27 : x
  2. Step 2: Convert to fraction form
    419,046,564,427.39/628,569,845,930.68 = 100,692,763,174.27/x
  3. Step 3: Cross multiply
    419,046,564,427.39x = 628,569,845,930.68 × 100,692,763,174.27
  4. Step 4: Simplify right side
    419,046,564,427.39x = 63,292,434,634,785,354,153,984
  5. Step 5: Solve for x
    x = 63,292,434,634,785,354,153,984/419,046,564,427.39
  6. Step 6: Final answer
    x = 151,039,144,590.70

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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.