Home / 470,529,724.70-649,327,436.51-258,832,008.45

Finding the Fourth Proportional to 470,529,724.70, 649,327,436.51 and 258,832,008.45

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Solution

The fourth proportional to 470,529,724.70, 649,327,436.51 and 258,832,008.45 is: 357,186,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,529,724.70 : 649,327,436.51 = 258,832,008.45 : x
  2. Step 2: Convert to fraction form
    470,529,724.70/649,327,436.51 = 258,832,008.45/x
  3. Step 3: Cross multiply
    470,529,724.70x = 649,327,436.51 × 258,832,008.45
  4. Step 4: Simplify right side
    470,529,724.70x = 168,066,724,532,278,976
  5. Step 5: Solve for x
    x = 168,066,724,532,278,976/470,529,724.70
  6. Step 6: Final answer
    x = 357,186,200.38

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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.