Home / 746,498,488.80-1,120,307,605.20-382,805,637.60

Finding the Fourth Proportional to 746,498,488.80, 1,120,307,605.20 and 382,805,637.60

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Solution

The fourth proportional to 746,498,488.80, 1,120,307,605.20 and 382,805,637.60 is: 574,495,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,498,488.80 : 1,120,307,605.20 = 382,805,637.60 : x
  2. Step 2: Convert to fraction form
    746,498,488.80/1,120,307,605.20 = 382,805,637.60/x
  3. Step 3: Cross multiply
    746,498,488.80x = 1,120,307,605.20 × 382,805,637.60
  4. Step 4: Simplify right side
    746,498,488.80x = 428,860,067,116,715,136
  5. Step 5: Solve for x
    x = 428,860,067,116,715,136/746,498,488.80
  6. Step 6: Final answer
    x = 574,495,559.67

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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.