Home / 875,513,596.40-1,208,199,805.08-484,375,819.76

Finding the Fourth Proportional to 875,513,596.40, 1,208,199,805.08 and 484,375,819.76

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Solution

The fourth proportional to 875,513,596.40, 1,208,199,805.08 and 484,375,819.76 is: 668,433,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,513,596.40 : 1,208,199,805.08 = 484,375,819.76 : x
  2. Step 2: Convert to fraction form
    875,513,596.40/1,208,199,805.08 = 484,375,819.76/x
  3. Step 3: Cross multiply
    875,513,596.40x = 1,208,199,805.08 × 484,375,819.76
  4. Step 4: Simplify right side
    875,513,596.40x = 585,222,771,019,497,216
  5. Step 5: Solve for x
    x = 585,222,771,019,497,216/875,513,596.40
  6. Step 6: Final answer
    x = 668,433,675.30

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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.