Home / 826,442,002.56-1,140,541,544.32-455,163,939.84

Finding the Fourth Proportional to 826,442,002.56, 1,140,541,544.32 and 455,163,939.84

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Solution

The fourth proportional to 826,442,002.56, 1,140,541,544.32 and 455,163,939.84 is: 628,154,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,442,002.56 : 1,140,541,544.32 = 455,163,939.84 : x
  2. Step 2: Convert to fraction form
    826,442,002.56/1,140,541,544.32 = 455,163,939.84/x
  3. Step 3: Cross multiply
    826,442,002.56x = 1,140,541,544.32 × 455,163,939.84
  4. Step 4: Simplify right side
    826,442,002.56x = 519,133,382,863,889,088
  5. Step 5: Solve for x
    x = 519,133,382,863,889,088/826,442,002.56
  6. Step 6: Final answer
    x = 628,154,645.16

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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.