Home / 1,128,774,592.40-1,692,502,901.76-437,874,523.52

Finding the Fourth Proportional to 1,128,774,592.40, 1,692,502,901.76 and 437,874,523.52

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Solution

The fourth proportional to 1,128,774,592.40, 1,692,502,901.76 and 437,874,523.52 is: 656,556,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,774,592.40 : 1,692,502,901.76 = 437,874,523.52 : x
  2. Step 2: Convert to fraction form
    1,128,774,592.40/1,692,502,901.76 = 437,874,523.52/x
  3. Step 3: Cross multiply
    1,128,774,592.40x = 1,692,502,901.76 × 437,874,523.52
  4. Step 4: Simplify right side
    1,128,774,592.40x = 741,103,901,664,377,344
  5. Step 5: Solve for x
    x = 741,103,901,664,377,344/1,128,774,592.40
  6. Step 6: Final answer
    x = 656,556,150.94

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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.