Home / 317,363,373.78-475,827,734.16-161,615,698.98

Finding the Fourth Proportional to 317,363,373.78, 475,827,734.16 and 161,615,698.98

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Solution

The fourth proportional to 317,363,373.78, 475,827,734.16 and 161,615,698.98 is: 242,312,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,363,373.78 : 475,827,734.16 = 161,615,698.98 : x
  2. Step 2: Convert to fraction form
    317,363,373.78/475,827,734.16 = 161,615,698.98/x
  3. Step 3: Cross multiply
    317,363,373.78x = 475,827,734.16 × 161,615,698.98
  4. Step 4: Simplify right side
    317,363,373.78x = 76,901,231,850,338,016
  5. Step 5: Solve for x
    x = 76,901,231,850,338,016/317,363,373.78
  6. Step 6: Final answer
    x = 242,312,876.04

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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.