Home / 620,910,511.32-931,494,309.28-252,445,526.34

Finding the Fourth Proportional to 620,910,511.32, 931,494,309.28 and 252,445,526.34

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Solution

The fourth proportional to 620,910,511.32, 931,494,309.28 and 252,445,526.34 is: 378,720,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,910,511.32 : 931,494,309.28 = 252,445,526.34 : x
  2. Step 2: Convert to fraction form
    620,910,511.32/931,494,309.28 = 252,445,526.34/x
  3. Step 3: Cross multiply
    620,910,511.32x = 931,494,309.28 × 252,445,526.34
  4. Step 4: Simplify right side
    620,910,511.32x = 235,151,571,188,904,352
  5. Step 5: Solve for x
    x = 235,151,571,188,904,352/620,910,511.32
  6. Step 6: Final answer
    x = 378,720,551.35

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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.