Home / 826,989,020.80-1,141,252,502.48-455,724,338.56

Finding the Fourth Proportional to 826,989,020.80, 1,141,252,502.48 and 455,724,338.56

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Solution

The fourth proportional to 826,989,020.80, 1,141,252,502.48 and 455,724,338.56 is: 628,903,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,989,020.80 : 1,141,252,502.48 = 455,724,338.56 : x
  2. Step 2: Convert to fraction form
    826,989,020.80/1,141,252,502.48 = 455,724,338.56/x
  3. Step 3: Cross multiply
    826,989,020.80x = 1,141,252,502.48 × 455,724,338.56
  4. Step 4: Simplify right side
    826,989,020.80x = 520,096,541,822,642,752
  5. Step 5: Solve for x
    x = 520,096,541,822,642,752/826,989,020.80
  6. Step 6: Final answer
    x = 628,903,804.94

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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.