Home / 553,811,304.76-764,494,923.81-345,070,582

Finding the Fourth Proportional to 553,811,304.76, 764,494,923.81 and 345,070,582

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Solution

The fourth proportional to 553,811,304.76, 764,494,923.81 and 345,070,582 is: 476,344,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,304.76 : 764,494,923.81 = 345,070,582 : x
  2. Step 2: Convert to fraction form
    553,811,304.76/764,494,923.81 = 345,070,582/x
  3. Step 3: Cross multiply
    553,811,304.76x = 764,494,923.81 × 345,070,582
  4. Step 4: Simplify right side
    553,811,304.76x = 263,804,708,295,162,336
  5. Step 5: Solve for x
    x = 263,804,708,295,162,336/553,811,304.76
  6. Step 6: Final answer
    x = 476,344,029.14

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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.