Home / 699,334,178.25-1,048,484,121.06-422,923,941.69

Finding the Fourth Proportional to 699,334,178.25, 1,048,484,121.06 and 422,923,941.69

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Solution

The fourth proportional to 699,334,178.25, 1,048,484,121.06 and 422,923,941.69 is: 634,073,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,334,178.25 : 1,048,484,121.06 = 422,923,941.69 : x
  2. Step 2: Convert to fraction form
    699,334,178.25/1,048,484,121.06 = 422,923,941.69/x
  3. Step 3: Cross multiply
    699,334,178.25x = 1,048,484,121.06 × 422,923,941.69
  4. Step 4: Simplify right side
    699,334,178.25x = 443,429,037,278,070,336
  5. Step 5: Solve for x
    x = 443,429,037,278,070,336/699,334,178.25
  6. Step 6: Final answer
    x = 634,073,167.12

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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.