Home / 453,303,905.80-679,955,858.70-146,815,976.20

Finding the Fourth Proportional to 453,303,905.80, 679,955,858.70 and 146,815,976.20

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Solution

The fourth proportional to 453,303,905.80, 679,955,858.70 and 146,815,976.20 is: 220,223,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,303,905.80 : 679,955,858.70 = 146,815,976.20 : x
  2. Step 2: Convert to fraction form
    453,303,905.80/679,955,858.70 = 146,815,976.20/x
  3. Step 3: Cross multiply
    453,303,905.80x = 679,955,858.70 × 146,815,976.20
  4. Step 4: Simplify right side
    453,303,905.80x = 99,828,383,167,949,760
  5. Step 5: Solve for x
    x = 99,828,383,167,949,760/453,303,905.80
  6. Step 6: Final answer
    x = 220,223,964.30

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1.5x scale

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.