Home / 411,036,322.65-617,080,610.54-353,114,568.06

Finding the Fourth Proportional to 411,036,322.65, 617,080,610.54 and 353,114,568.06

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Solution

The fourth proportional to 411,036,322.65, 617,080,610.54 and 353,114,568.06 is: 530,123,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,322.65 : 617,080,610.54 = 353,114,568.06 : x
  2. Step 2: Convert to fraction form
    411,036,322.65/617,080,610.54 = 353,114,568.06/x
  3. Step 3: Cross multiply
    411,036,322.65x = 617,080,610.54 × 353,114,568.06
  4. Step 4: Simplify right side
    411,036,322.65x = 217,900,153,251,069,920
  5. Step 5: Solve for x
    x = 217,900,153,251,069,920/411,036,322.65
  6. Step 6: Final answer
    x = 530,123,838.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.