Home / 721,352,527.35-1,082,728,484.37-348,123,070.77

Finding the Fourth Proportional to 721,352,527.35, 1,082,728,484.37 and 348,123,070.77

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Solution

The fourth proportional to 721,352,527.35, 1,082,728,484.37 and 348,123,070.77 is: 522,522,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,527.35 : 1,082,728,484.37 = 348,123,070.77 : x
  2. Step 2: Convert to fraction form
    721,352,527.35/1,082,728,484.37 = 348,123,070.77/x
  3. Step 3: Cross multiply
    721,352,527.35x = 1,082,728,484.37 × 348,123,070.77
  4. Step 4: Simplify right side
    721,352,527.35x = 376,922,764,789,032,320
  5. Step 5: Solve for x
    x = 376,922,764,789,032,320/721,352,527.35
  6. Step 6: Final answer
    x = 522,522,276.55

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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.