Home / 1,223,657,351,850.50-1,688,652,395,418.70-667,474,599,336.72

Finding the Fourth Proportional to 1,223,657,351,850.50, 1,688,652,395,418.70 and 667,474,599,336.72

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Solution

The fourth proportional to 1,223,657,351,850.50, 1,688,652,395,418.70 and 667,474,599,336.72 is: 921,117,810,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,351,850.50 : 1,688,652,395,418.70 = 667,474,599,336.72 : x
  2. Step 2: Convert to fraction form
    1,223,657,351,850.50/1,688,652,395,418.70 = 667,474,599,336.72/x
  3. Step 3: Cross multiply
    1,223,657,351,850.50x = 1,688,652,395,418.70 × 667,474,599,336.72
  4. Step 4: Simplify right side
    1,223,657,351,850.50x = 1,127,132,581,051,089,165,484,032
  5. Step 5: Solve for x
    x = 1,127,132,581,051,089,165,484,032/1,223,657,351,850.50
  6. Step 6: Final answer
    x = 921,117,810,755.24

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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.