Home / 1,185,949,818.68-1,778,915,771.04-356,899,892

Finding the Fourth Proportional to 1,185,949,818.68, 1,778,915,771.04 and 356,899,892

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Solution

The fourth proportional to 1,185,949,818.68, 1,778,915,771.04 and 356,899,892 is: 535,347,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,949,818.68 : 1,778,915,771.04 = 356,899,892 : x
  2. Step 2: Convert to fraction form
    1,185,949,818.68/1,778,915,771.04 = 356,899,892/x
  3. Step 3: Cross multiply
    1,185,949,818.68x = 1,778,915,771.04 × 356,899,892
  4. Step 4: Simplify right side
    1,185,949,818.68x = 634,894,846,561,272,704
  5. Step 5: Solve for x
    x = 634,894,846,561,272,704/1,185,949,818.68
  6. Step 6: Final answer
    x = 535,347,142.49

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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.