Home / 420,870,173.04-580,821,082.02-232,694,984.97

Finding the Fourth Proportional to 420,870,173.04, 580,821,082.02 and 232,694,984.97

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Solution

The fourth proportional to 420,870,173.04, 580,821,082.02 and 232,694,984.97 is: 321,130,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,870,173.04 : 580,821,082.02 = 232,694,984.97 : x
  2. Step 2: Convert to fraction form
    420,870,173.04/580,821,082.02 = 232,694,984.97/x
  3. Step 3: Cross multiply
    420,870,173.04x = 580,821,082.02 × 232,694,984.97
  4. Step 4: Simplify right side
    420,870,173.04x = 135,154,152,950,903,040
  5. Step 5: Solve for x
    x = 135,154,152,950,903,040/420,870,173.04
  6. Step 6: Final answer
    x = 321,130,271.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.