Home / 1,161,247,208.80-1,741,870,813.20-299,604,200.80

Finding the Fourth Proportional to 1,161,247,208.80, 1,741,870,813.20 and 299,604,200.80

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Solution

The fourth proportional to 1,161,247,208.80, 1,741,870,813.20 and 299,604,200.80 is: 449,406,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,247,208.80 : 1,741,870,813.20 = 299,604,200.80 : x
  2. Step 2: Convert to fraction form
    1,161,247,208.80/1,741,870,813.20 = 299,604,200.80/x
  3. Step 3: Cross multiply
    1,161,247,208.80x = 1,741,870,813.20 × 299,604,200.80
  4. Step 4: Simplify right side
    1,161,247,208.80x = 521,871,812,885,632,128
  5. Step 5: Solve for x
    x = 521,871,812,885,632,128/1,161,247,208.80
  6. Step 6: Final answer
    x = 449,406,301.20

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Double scale
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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.