Home / 711,176,302.20-1,066,764,453.30-419,744,263.80

Finding the Fourth Proportional to 711,176,302.20, 1,066,764,453.30 and 419,744,263.80

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Solution

The fourth proportional to 711,176,302.20, 1,066,764,453.30 and 419,744,263.80 is: 629,616,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,176,302.20 : 1,066,764,453.30 = 419,744,263.80 : x
  2. Step 2: Convert to fraction form
    711,176,302.20/1,066,764,453.30 = 419,744,263.80/x
  3. Step 3: Cross multiply
    711,176,302.20x = 1,066,764,453.30 × 419,744,263.80
  4. Step 4: Simplify right side
    711,176,302.20x = 447,768,260,098,417,984
  5. Step 5: Solve for x
    x = 447,768,260,098,417,984/711,176,302.20
  6. Step 6: Final answer
    x = 629,616,395.70

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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.