Home / 470,529,723.95-649,327,435.47-258,832,007.70

Finding the Fourth Proportional to 470,529,723.95, 649,327,435.47 and 258,832,007.70

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Solution

The fourth proportional to 470,529,723.95, 649,327,435.47 and 258,832,007.70 is: 357,186,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,529,723.95 : 649,327,435.47 = 258,832,007.70 : x
  2. Step 2: Convert to fraction form
    470,529,723.95/649,327,435.47 = 258,832,007.70/x
  3. Step 3: Cross multiply
    470,529,723.95x = 649,327,435.47 × 258,832,007.70
  4. Step 4: Simplify right side
    470,529,723.95x = 168,066,723,777,392,288
  5. Step 5: Solve for x
    x = 168,066,723,777,392,288/470,529,723.95
  6. Step 6: Final answer
    x = 357,186,199.34

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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.