Home / 812,050,669.80-1,120,600,929.51-459,619,093.71

Finding the Fourth Proportional to 812,050,669.80, 1,120,600,929.51 and 459,619,093.71

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Solution

The fourth proportional to 812,050,669.80, 1,120,600,929.51 and 459,619,093.71 is: 634,257,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,050,669.80 : 1,120,600,929.51 = 459,619,093.71 : x
  2. Step 2: Convert to fraction form
    812,050,669.80/1,120,600,929.51 = 459,619,093.71/x
  3. Step 3: Cross multiply
    812,050,669.80x = 1,120,600,929.51 × 459,619,093.71
  4. Step 4: Simplify right side
    812,050,669.80x = 515,049,583,631,969,792
  5. Step 5: Solve for x
    x = 515,049,583,631,969,792/812,050,669.80
  6. Step 6: Final answer
    x = 634,257,938.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.