Home / 1,119,747,735.20-1,680,461,410.80-574,208,458.40

Finding the Fourth Proportional to 1,119,747,735.20, 1,680,461,410.80 and 574,208,458.40

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Solution

The fourth proportional to 1,119,747,735.20, 1,680,461,410.80 and 574,208,458.40 is: 861,743,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,747,735.20 : 1,680,461,410.80 = 574,208,458.40 : x
  2. Step 2: Convert to fraction form
    1,119,747,735.20/1,680,461,410.80 = 574,208,458.40/x
  3. Step 3: Cross multiply
    1,119,747,735.20x = 1,680,461,410.80 × 574,208,458.40
  4. Step 4: Simplify right side
    1,119,747,735.20x = 964,935,156,096,157,056
  5. Step 5: Solve for x
    x = 964,935,156,096,157,056/1,119,747,735.20
  6. Step 6: Final answer
    x = 861,743,342.51

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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.