Home / 806,360,406.24-1,208,557,964.70-417,969,112.80

Finding the Fourth Proportional to 806,360,406.24, 1,208,557,964.70 and 417,969,112.80

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Solution

The fourth proportional to 806,360,406.24, 1,208,557,964.70 and 417,969,112.80 is: 626,444,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,360,406.24 : 1,208,557,964.70 = 417,969,112.80 : x
  2. Step 2: Convert to fraction form
    806,360,406.24/1,208,557,964.70 = 417,969,112.80/x
  3. Step 3: Cross multiply
    806,360,406.24x = 1,208,557,964.70 × 417,969,112.80
  4. Step 4: Simplify right side
    806,360,406.24x = 505,139,900,273,032,768
  5. Step 5: Solve for x
    x = 505,139,900,273,032,768/806,360,406.24
  6. Step 6: Final answer
    x = 626,444,324.85

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1.5x scale

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.