Home / 1,428,857,601,542.90-2,143,704,635,206.70-460,746,572,017.96

Finding the Fourth Proportional to 1,428,857,601,542.90, 2,143,704,635,206.70 and 460,746,572,017.96

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Solution

The fourth proportional to 1,428,857,601,542.90, 2,143,704,635,206.70 and 460,746,572,017.96 is: 691,254,720,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,857,601,542.90 : 2,143,704,635,206.70 = 460,746,572,017.96 : x
  2. Step 2: Convert to fraction form
    1,428,857,601,542.90/2,143,704,635,206.70 = 460,746,572,017.96/x
  3. Step 3: Cross multiply
    1,428,857,601,542.90x = 2,143,704,635,206.70 × 460,746,572,017.96
  4. Step 4: Simplify right side
    1,428,857,601,542.90x = 987,704,562,090,498,557,214,720
  5. Step 5: Solve for x
    x = 987,704,562,090,498,557,214,720/1,428,857,601,542.90
  6. Step 6: Final answer
    x = 691,254,720,571.15

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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.