Home / 374,510,878.50-561,988,246.31-208,653,207.73

Finding the Fourth Proportional to 374,510,878.50, 561,988,246.31 and 208,653,207.73

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Solution

The fourth proportional to 374,510,878.50, 561,988,246.31 and 208,653,207.73 is: 313,103,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,510,878.50 : 561,988,246.31 = 208,653,207.73 : x
  2. Step 2: Convert to fraction form
    374,510,878.50/561,988,246.31 = 208,653,207.73/x
  3. Step 3: Cross multiply
    374,510,878.50x = 561,988,246.31 × 208,653,207.73
  4. Step 4: Simplify right side
    374,510,878.50x = 117,260,650,298,095,552
  5. Step 5: Solve for x
    x = 117,260,650,298,095,552/374,510,878.50
  6. Step 6: Final answer
    x = 313,103,455.82

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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.