Home / 447,864,736.90-617,764,817.10-297,154,130.80

Finding the Fourth Proportional to 447,864,736.90, 617,764,817.10 and 297,154,130.80

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Solution

The fourth proportional to 447,864,736.90, 617,764,817.10 and 297,154,130.80 is: 409,881,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,864,736.90 : 617,764,817.10 = 297,154,130.80 : x
  2. Step 2: Convert to fraction form
    447,864,736.90/617,764,817.10 = 297,154,130.80/x
  3. Step 3: Cross multiply
    447,864,736.90x = 617,764,817.10 × 297,154,130.80
  4. Step 4: Simplify right side
    447,864,736.90x = 183,571,367,264,171,488
  5. Step 5: Solve for x
    x = 183,571,367,264,171,488/447,864,736.90
  6. Step 6: Final answer
    x = 409,881,270.26

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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.