Home / 826,989,021.80-1,141,252,503.86-455,724,339.56

Finding the Fourth Proportional to 826,989,021.80, 1,141,252,503.86 and 455,724,339.56

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Solution

The fourth proportional to 826,989,021.80, 1,141,252,503.86 and 455,724,339.56 is: 628,903,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,989,021.80 : 1,141,252,503.86 = 455,724,339.56 : x
  2. Step 2: Convert to fraction form
    826,989,021.80/1,141,252,503.86 = 455,724,339.56/x
  3. Step 3: Cross multiply
    826,989,021.80x = 1,141,252,503.86 × 455,724,339.56
  4. Step 4: Simplify right side
    826,989,021.80x = 520,096,543,592,794,816
  5. Step 5: Solve for x
    x = 520,096,543,592,794,816/826,989,021.80
  6. Step 6: Final answer
    x = 628,903,806.32

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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.