Home / 553,811,069.36-764,494,597.80-345,070,344.78

Finding the Fourth Proportional to 553,811,069.36, 764,494,597.80 and 345,070,344.78

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Solution

The fourth proportional to 553,811,069.36, 764,494,597.80 and 345,070,344.78 is: 476,343,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,069.36 : 764,494,597.80 = 345,070,344.78 : x
  2. Step 2: Convert to fraction form
    553,811,069.36/764,494,597.80 = 345,070,344.78/x
  3. Step 3: Cross multiply
    553,811,069.36x = 764,494,597.80 × 345,070,344.78
  4. Step 4: Simplify right side
    553,811,069.36x = 263,804,414,445,293,376
  5. Step 5: Solve for x
    x = 263,804,414,445,293,376/553,811,069.36
  6. Step 6: Final answer
    x = 476,343,701.02

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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.