Home / 448,439,219.40-672,658,829.10-206,574,515.40

Finding the Fourth Proportional to 448,439,219.40, 672,658,829.10 and 206,574,515.40

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Solution

The fourth proportional to 448,439,219.40, 672,658,829.10 and 206,574,515.40 is: 309,861,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,439,219.40 : 672,658,829.10 = 206,574,515.40 : x
  2. Step 2: Convert to fraction form
    448,439,219.40/672,658,829.10 = 206,574,515.40/x
  3. Step 3: Cross multiply
    448,439,219.40x = 672,658,829.10 × 206,574,515.40
  4. Step 4: Simplify right side
    448,439,219.40x = 138,954,171,650,863,920
  5. Step 5: Solve for x
    x = 138,954,171,650,863,920/448,439,219.40
  6. Step 6: Final answer
    x = 309,861,773.10

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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.