Home / 409,817,215.87-565,457,138.53-251,080,877.59

Finding the Fourth Proportional to 409,817,215.87, 565,457,138.53 and 251,080,877.59

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Solution

The fourth proportional to 409,817,215.87, 565,457,138.53 and 251,080,877.59 is: 346,436,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,817,215.87 : 565,457,138.53 = 251,080,877.59 : x
  2. Step 2: Convert to fraction form
    409,817,215.87/565,457,138.53 = 251,080,877.59/x
  3. Step 3: Cross multiply
    409,817,215.87x = 565,457,138.53 × 251,080,877.59
  4. Step 4: Simplify right side
    409,817,215.87x = 141,975,474,581,642,592
  5. Step 5: Solve for x
    x = 141,975,474,581,642,592/409,817,215.87
  6. Step 6: Final answer
    x = 346,436,091.71

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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.