Home / 553,811,059.51-764,494,584.20-345,070,334.93

Finding the Fourth Proportional to 553,811,059.51, 764,494,584.20 and 345,070,334.93

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Solution

The fourth proportional to 553,811,059.51, 764,494,584.20 and 345,070,334.93 is: 476,343,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,059.51 : 764,494,584.20 = 345,070,334.93 : x
  2. Step 2: Convert to fraction form
    553,811,059.51/764,494,584.20 = 345,070,334.93/x
  3. Step 3: Cross multiply
    553,811,059.51x = 764,494,584.20 × 345,070,334.93
  4. Step 4: Simplify right side
    553,811,059.51x = 263,804,402,222,065,120
  5. Step 5: Solve for x
    x = 263,804,402,222,065,120/553,811,059.51
  6. Step 6: Final answer
    x = 476,343,687.42

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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.