Home / 1,153,019,980.80-1,729,529,971.20-531,234,010.80

Finding the Fourth Proportional to 1,153,019,980.80, 1,729,529,971.20 and 531,234,010.80

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Solution

The fourth proportional to 1,153,019,980.80, 1,729,529,971.20 and 531,234,010.80 is: 796,851,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,019,980.80 : 1,729,529,971.20 = 531,234,010.80 : x
  2. Step 2: Convert to fraction form
    1,153,019,980.80/1,729,529,971.20 = 531,234,010.80/x
  3. Step 3: Cross multiply
    1,153,019,980.80x = 1,729,529,971.20 × 531,234,010.80
  4. Step 4: Simplify right side
    1,153,019,980.80x = 918,785,143,399,384,576
  5. Step 5: Solve for x
    x = 918,785,143,399,384,576/1,153,019,980.80
  6. Step 6: Final answer
    x = 796,851,016.20

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Double scale
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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.