Home / 778,783,545,832.80-1,074,727,603,476.10-431,559,624,692.18

Finding the Fourth Proportional to 778,783,545,832.80, 1,074,727,603,476.10 and 431,559,624,692.18

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Solution

The fourth proportional to 778,783,545,832.80, 1,074,727,603,476.10 and 431,559,624,692.18 is: 595,555,778,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,783,545,832.80 : 1,074,727,603,476.10 = 431,559,624,692.18 : x
  2. Step 2: Convert to fraction form
    778,783,545,832.80/1,074,727,603,476.10 = 431,559,624,692.18/x
  3. Step 3: Cross multiply
    778,783,545,832.80x = 1,074,727,603,476.10 × 431,559,624,692.18
  4. Step 4: Simplify right side
    778,783,545,832.80x = 463,809,041,202,471,768,162,304
  5. Step 5: Solve for x
    x = 463,809,041,202,471,768,162,304/778,783,545,832.80
  6. Step 6: Final answer
    x = 595,555,778,860.86

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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.