Home / 5,310,611,563.79-7,328,451,833.39-2,931,698,420.57

Finding the Fourth Proportional to 5,310,611,563.79, 7,328,451,833.39 and 2,931,698,420.57

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Solution

The fourth proportional to 5,310,611,563.79, 7,328,451,833.39 and 2,931,698,420.57 is: 4,045,637,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,611,563.79 : 7,328,451,833.39 = 2,931,698,420.57 : x
  2. Step 2: Convert to fraction form
    5,310,611,563.79/7,328,451,833.39 = 2,931,698,420.57/x
  3. Step 3: Cross multiply
    5,310,611,563.79x = 7,328,451,833.39 × 2,931,698,420.57
  4. Step 4: Simplify right side
    5,310,611,563.79x = 21,484,810,665,121,484,800
  5. Step 5: Solve for x
    x = 21,484,810,665,121,484,800/5,310,611,563.79
  6. Step 6: Final answer
    x = 4,045,637,758.87

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1.5x scale

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.