Home / 875,513,535.40-1,208,199,720.90-484,375,758.76

Finding the Fourth Proportional to 875,513,535.40, 1,208,199,720.90 and 484,375,758.76

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Solution

The fourth proportional to 875,513,535.40, 1,208,199,720.90 and 484,375,758.76 is: 668,433,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,513,535.40 : 1,208,199,720.90 = 484,375,758.76 : x
  2. Step 2: Convert to fraction form
    875,513,535.40/1,208,199,720.90 = 484,375,758.76/x
  3. Step 3: Cross multiply
    875,513,535.40x = 1,208,199,720.90 × 484,375,758.76
  4. Step 4: Simplify right side
    875,513,535.40x = 585,222,656,544,557,824
  5. Step 5: Solve for x
    x = 585,222,656,544,557,824/875,513,535.40
  6. Step 6: Final answer
    x = 668,433,591.12

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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.