Home / 491,318,786,629.40-736,978,179,944.10-411,975,070,482.20

Finding the Fourth Proportional to 491,318,786,629.40, 736,978,179,944.10 and 411,975,070,482.20

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Solution

The fourth proportional to 491,318,786,629.40, 736,978,179,944.10 and 411,975,070,482.20 is: 617,962,605,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,318,786,629.40 : 736,978,179,944.10 = 411,975,070,482.20 : x
  2. Step 2: Convert to fraction form
    491,318,786,629.40/736,978,179,944.10 = 411,975,070,482.20/x
  3. Step 3: Cross multiply
    491,318,786,629.40x = 736,978,179,944.10 × 411,975,070,482.20
  4. Step 4: Simplify right side
    491,318,786,629.40x = 303,616,637,626,314,043,424,768
  5. Step 5: Solve for x
    x = 303,616,637,626,314,043,424,768/491,318,786,629.40
  6. Step 6: Final answer
    x = 617,962,605,723.30

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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.