Home / 684,383,226.60-1,026,574,839.90-412,285,434.60

Finding the Fourth Proportional to 684,383,226.60, 1,026,574,839.90 and 412,285,434.60

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Solution

The fourth proportional to 684,383,226.60, 1,026,574,839.90 and 412,285,434.60 is: 618,428,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,383,226.60 : 1,026,574,839.90 = 412,285,434.60 : x
  2. Step 2: Convert to fraction form
    684,383,226.60/1,026,574,839.90 = 412,285,434.60/x
  3. Step 3: Cross multiply
    684,383,226.60x = 1,026,574,839.90 × 412,285,434.60
  4. Step 4: Simplify right side
    684,383,226.60x = 423,241,854,017,596,928
  5. Step 5: Solve for x
    x = 423,241,854,017,596,928/684,383,226.60
  6. Step 6: Final answer
    x = 618,428,151.90

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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.