Home / 470,035,656.80-705,053,485.20-146,919,010.40

Finding the Fourth Proportional to 470,035,656.80, 705,053,485.20 and 146,919,010.40

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Solution

The fourth proportional to 470,035,656.80, 705,053,485.20 and 146,919,010.40 is: 220,378,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,035,656.80 : 705,053,485.20 = 146,919,010.40 : x
  2. Step 2: Convert to fraction form
    470,035,656.80/705,053,485.20 = 146,919,010.40/x
  3. Step 3: Cross multiply
    470,035,656.80x = 705,053,485.20 × 146,919,010.40
  4. Step 4: Simplify right side
    470,035,656.80x = 103,585,760,324,655,056
  5. Step 5: Solve for x
    x = 103,585,760,324,655,056/470,035,656.80
  6. Step 6: Final answer
    x = 220,378,515.60

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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.