Home / 553,811,061.35-764,494,586.75-345,070,336.77

Finding the Fourth Proportional to 553,811,061.35, 764,494,586.75 and 345,070,336.77

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Solution

The fourth proportional to 553,811,061.35, 764,494,586.75 and 345,070,336.77 is: 476,343,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,061.35 : 764,494,586.75 = 345,070,336.77 : x
  2. Step 2: Convert to fraction form
    553,811,061.35/764,494,586.75 = 345,070,336.77/x
  3. Step 3: Cross multiply
    553,811,061.35x = 764,494,586.75 × 345,070,336.77
  4. Step 4: Simplify right side
    553,811,061.35x = 263,804,404,509,527,168
  5. Step 5: Solve for x
    x = 263,804,404,509,527,168/553,811,061.35
  6. Step 6: Final answer
    x = 476,343,689.97

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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.