Home / 699,334,170.72-1,048,484,109.81-422,923,934.19

Finding the Fourth Proportional to 699,334,170.72, 1,048,484,109.81 and 422,923,934.19

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Solution

The fourth proportional to 699,334,170.72, 1,048,484,109.81 and 422,923,934.19 is: 634,073,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,334,170.72 : 1,048,484,109.81 = 422,923,934.19 : x
  2. Step 2: Convert to fraction form
    699,334,170.72/1,048,484,109.81 = 422,923,934.19/x
  3. Step 3: Cross multiply
    699,334,170.72x = 1,048,484,109.81 × 422,923,934.19
  4. Step 4: Simplify right side
    699,334,170.72x = 443,429,024,656,545,152
  5. Step 5: Solve for x
    x = 443,429,024,656,545,152/699,334,170.72
  6. Step 6: Final answer
    x = 634,073,155.90

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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.