Home / 1,228,609,828.50-1,842,903,627.33-388,252,710.18

Finding the Fourth Proportional to 1,228,609,828.50, 1,842,903,627.33 and 388,252,710.18

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Solution

The fourth proportional to 1,228,609,828.50, 1,842,903,627.33 and 388,252,710.18 is: 582,375,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,609,828.50 : 1,842,903,627.33 = 388,252,710.18 : x
  2. Step 2: Convert to fraction form
    1,228,609,828.50/1,842,903,627.33 = 388,252,710.18/x
  3. Step 3: Cross multiply
    1,228,609,828.50x = 1,842,903,627.33 × 388,252,710.18
  4. Step 4: Simplify right side
    1,228,609,828.50x = 715,512,327,911,425,152
  5. Step 5: Solve for x
    x = 715,512,327,911,425,152/1,228,609,828.50
  6. Step 6: Final answer
    x = 582,375,552.69

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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.