Home / 435,470,372.40-651,693,904.20-399,190,666.80

Finding the Fourth Proportional to 435,470,372.40, 651,693,904.20 and 399,190,666.80

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Solution

The fourth proportional to 435,470,372.40, 651,693,904.20 and 399,190,666.80 is: 597,400,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,470,372.40 : 651,693,904.20 = 399,190,666.80 : x
  2. Step 2: Convert to fraction form
    435,470,372.40/651,693,904.20 = 399,190,666.80/x
  3. Step 3: Cross multiply
    435,470,372.40x = 651,693,904.20 × 399,190,666.80
  4. Step 4: Simplify right side
    435,470,372.40x = 260,150,124,167,093,344
  5. Step 5: Solve for x
    x = 260,150,124,167,093,344/435,470,372.40
  6. Step 6: Final answer
    x = 597,400,284.05

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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.