Home / 980,573,297.85-1,353,142,244.57-557,131,027.10

Finding the Fourth Proportional to 980,573,297.85, 1,353,142,244.57 and 557,131,027.10

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Solution

The fourth proportional to 980,573,297.85, 1,353,142,244.57 and 557,131,027.10 is: 768,813,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,573,297.85 : 1,353,142,244.57 = 557,131,027.10 : x
  2. Step 2: Convert to fraction form
    980,573,297.85/1,353,142,244.57 = 557,131,027.10/x
  3. Step 3: Cross multiply
    980,573,297.85x = 1,353,142,244.57 × 557,131,027.10
  4. Step 4: Simplify right side
    980,573,297.85x = 753,877,528,524,310,656
  5. Step 5: Solve for x
    x = 753,877,528,524,310,656/980,573,297.85
  6. Step 6: Final answer
    x = 768,813,030.27

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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.