Home / 648,581,899.72-895,043,506.60-351,224,467.88

Finding the Fourth Proportional to 648,581,899.72, 895,043,506.60 and 351,224,467.88

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Solution

The fourth proportional to 648,581,899.72, 895,043,506.60 and 351,224,467.88 is: 484,690,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,581,899.72 : 895,043,506.60 = 351,224,467.88 : x
  2. Step 2: Convert to fraction form
    648,581,899.72/895,043,506.60 = 351,224,467.88/x
  3. Step 3: Cross multiply
    648,581,899.72x = 895,043,506.60 × 351,224,467.88
  4. Step 4: Simplify right side
    648,581,899.72x = 314,361,179,335,034,304
  5. Step 5: Solve for x
    x = 314,361,179,335,034,304/648,581,899.72
  6. Step 6: Final answer
    x = 484,690,028.31

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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.