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Finding the Fourth Proportional to 466,765,643.70, 700,148,465.55 and 439,981,017.30

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Solution

The fourth proportional to 466,765,643.70, 700,148,465.55 and 439,981,017.30 is: 659,971,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,765,643.70 : 700,148,465.55 = 439,981,017.30 : x
  2. Step 2: Convert to fraction form
    466,765,643.70/700,148,465.55 = 439,981,017.30/x
  3. Step 3: Cross multiply
    466,765,643.70x = 700,148,465.55 × 439,981,017.30
  4. Step 4: Simplify right side
    466,765,643.70x = 308,052,034,133,723,008
  5. Step 5: Solve for x
    x = 308,052,034,133,723,008/466,765,643.70
  6. Step 6: Final answer
    x = 659,971,525.95

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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.