Home / 699,842,590.80-1,049,763,886.20-662,429,144.40

Finding the Fourth Proportional to 699,842,590.80, 1,049,763,886.20 and 662,429,144.40

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Solution

The fourth proportional to 699,842,590.80, 1,049,763,886.20 and 662,429,144.40 is: 993,643,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,842,590.80 : 1,049,763,886.20 = 662,429,144.40 : x
  2. Step 2: Convert to fraction form
    699,842,590.80/1,049,763,886.20 = 662,429,144.40/x
  3. Step 3: Cross multiply
    699,842,590.80x = 1,049,763,886.20 × 662,429,144.40
  4. Step 4: Simplify right side
    699,842,590.80x = 695,394,192,957,484,928
  5. Step 5: Solve for x
    x = 695,394,192,957,484,928/699,842,590.80
  6. Step 6: Final answer
    x = 993,643,716.60

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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.