Home / 677,193,905.28-934,600,651.84-383,806,980.48

Finding the Fourth Proportional to 677,193,905.28, 934,600,651.84 and 383,806,980.48

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Solution

The fourth proportional to 677,193,905.28, 934,600,651.84 and 383,806,980.48 is: 529,695,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,193,905.28 : 934,600,651.84 = 383,806,980.48 : x
  2. Step 2: Convert to fraction form
    677,193,905.28/934,600,651.84 = 383,806,980.48/x
  3. Step 3: Cross multiply
    677,193,905.28x = 934,600,651.84 × 383,806,980.48
  4. Step 4: Simplify right side
    677,193,905.28x = 358,706,254,137,350,208
  5. Step 5: Solve for x
    x = 358,706,254,137,350,208/677,193,905.28
  6. Step 6: Final answer
    x = 529,695,042.06

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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.