Home / 1,223,657,351,847.50-1,688,652,395,414.50-667,474,599,333.72

Finding the Fourth Proportional to 1,223,657,351,847.50, 1,688,652,395,414.50 and 667,474,599,333.72

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Solution

The fourth proportional to 1,223,657,351,847.50, 1,688,652,395,414.50 and 667,474,599,333.72 is: 921,117,810,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,351,847.50 : 1,688,652,395,414.50 = 667,474,599,333.72 : x
  2. Step 2: Convert to fraction form
    1,223,657,351,847.50/1,688,652,395,414.50 = 667,474,599,333.72/x
  3. Step 3: Cross multiply
    1,223,657,351,847.50x = 1,688,652,395,414.50 × 667,474,599,333.72
  4. Step 4: Simplify right side
    1,223,657,351,847.50x = 1,127,132,581,043,219,845,873,664
  5. Step 5: Solve for x
    x = 1,127,132,581,043,219,845,873,664/1,223,657,351,847.50
  6. Step 6: Final answer
    x = 921,117,810,751.07

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Double scale
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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.