Home / 1,128,774,591.40-1,692,502,900.26-437,874,522.52

Finding the Fourth Proportional to 1,128,774,591.40, 1,692,502,900.26 and 437,874,522.52

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Solution

The fourth proportional to 1,128,774,591.40, 1,692,502,900.26 and 437,874,522.52 is: 656,556,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,774,591.40 : 1,692,502,900.26 = 437,874,522.52 : x
  2. Step 2: Convert to fraction form
    1,128,774,591.40/1,692,502,900.26 = 437,874,522.52/x
  3. Step 3: Cross multiply
    1,128,774,591.40x = 1,692,502,900.26 × 437,874,522.52
  4. Step 4: Simplify right side
    1,128,774,591.40x = 741,103,899,315,062,656
  5. Step 5: Solve for x
    x = 741,103,899,315,062,656/1,128,774,591.40
  6. Step 6: Final answer
    x = 656,556,149.44

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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.