Home / 1,119,747,698.20-1,680,461,355.30-574,208,421.40

Finding the Fourth Proportional to 1,119,747,698.20, 1,680,461,355.30 and 574,208,421.40

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Solution

The fourth proportional to 1,119,747,698.20, 1,680,461,355.30 and 574,208,421.40 is: 861,743,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,747,698.20 : 1,680,461,355.30 = 574,208,421.40 : x
  2. Step 2: Convert to fraction form
    1,119,747,698.20/1,680,461,355.30 = 574,208,421.40/x
  3. Step 3: Cross multiply
    1,119,747,698.20x = 1,680,461,355.30 × 574,208,421.40
  4. Step 4: Simplify right side
    1,119,747,698.20x = 964,935,062,050,517,504
  5. Step 5: Solve for x
    x = 964,935,062,050,517,504/1,119,747,698.20
  6. Step 6: Final answer
    x = 861,743,286.99

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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.