Home / 434,560,405.60-651,840,608.40-395,021,195.20

Finding the Fourth Proportional to 434,560,405.60, 651,840,608.40 and 395,021,195.20

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Solution

The fourth proportional to 434,560,405.60, 651,840,608.40 and 395,021,195.20 is: 592,531,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560,405.60 : 651,840,608.40 = 395,021,195.20 : x
  2. Step 2: Convert to fraction form
    434,560,405.60/651,840,608.40 = 395,021,195.20/x
  3. Step 3: Cross multiply
    434,560,405.60x = 651,840,608.40 × 395,021,195.20
  4. Step 4: Simplify right side
    434,560,405.60x = 257,490,856,210,063,136
  5. Step 5: Solve for x
    x = 257,490,856,210,063,136/434,560,405.60
  6. Step 6: Final answer
    x = 592,531,792.80

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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.