Home / 1,036,157,619.40-1,554,236,429.10-422,407,270.60

Finding the Fourth Proportional to 1,036,157,619.40, 1,554,236,429.10 and 422,407,270.60

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Solution

The fourth proportional to 1,036,157,619.40, 1,554,236,429.10 and 422,407,270.60 is: 633,610,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,157,619.40 : 1,554,236,429.10 = 422,407,270.60 : x
  2. Step 2: Convert to fraction form
    1,036,157,619.40/1,554,236,429.10 = 422,407,270.60/x
  3. Step 3: Cross multiply
    1,036,157,619.40x = 1,554,236,429.10 × 422,407,270.60
  4. Step 4: Simplify right side
    1,036,157,619.40x = 656,520,767,883,221,376
  5. Step 5: Solve for x
    x = 656,520,767,883,221,376/1,036,157,619.40
  6. Step 6: Final answer
    x = 633,610,905.90

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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.