Home / 908,336,513.46-1,253,504,893.35-490,648,802.82

Finding the Fourth Proportional to 908,336,513.46, 1,253,504,893.35 and 490,648,802.82

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Solution

The fourth proportional to 908,336,513.46, 1,253,504,893.35 and 490,648,802.82 is: 677,095,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,336,513.46 : 1,253,504,893.35 = 490,648,802.82 : x
  2. Step 2: Convert to fraction form
    908,336,513.46/1,253,504,893.35 = 490,648,802.82/x
  3. Step 3: Cross multiply
    908,336,513.46x = 1,253,504,893.35 × 490,648,802.82
  4. Step 4: Simplify right side
    908,336,513.46x = 615,030,675,251,189,248
  5. Step 5: Solve for x
    x = 615,030,675,251,189,248/908,336,513.46
  6. Step 6: Final answer
    x = 677,095,620.55

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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.