Home / 479,160,693.76-661,241,757-259,144,119.76

Finding the Fourth Proportional to 479,160,693.76, 661,241,757 and 259,144,119.76

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Solution

The fourth proportional to 479,160,693.76, 661,241,757 and 259,144,119.76 is: 357,618,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,160,693.76 : 661,241,757 = 259,144,119.76 : x
  2. Step 2: Convert to fraction form
    479,160,693.76/661,241,757 = 259,144,119.76/x
  3. Step 3: Cross multiply
    479,160,693.76x = 661,241,757 × 259,144,119.76
  4. Step 4: Simplify right side
    479,160,693.76x = 171,356,913,066,320,800
  5. Step 5: Solve for x
    x = 171,356,913,066,320,800/479,160,693.76
  6. Step 6: Final answer
    x = 357,618,885.06

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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.