Home / 401,243,830.33-551,752,954.90-348,228,497.57

Finding the Fourth Proportional to 401,243,830.33, 551,752,954.90 and 348,228,497.57

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Solution

The fourth proportional to 401,243,830.33, 551,752,954.90 and 348,228,497.57 is: 478,851,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,243,830.33 : 551,752,954.90 = 348,228,497.57 : x
  2. Step 2: Convert to fraction form
    401,243,830.33/551,752,954.90 = 348,228,497.57/x
  3. Step 3: Cross multiply
    401,243,830.33x = 551,752,954.90 × 348,228,497.57
  4. Step 4: Simplify right side
    401,243,830.33x = 192,136,102,514,193,120
  5. Step 5: Solve for x
    x = 192,136,102,514,193,120/401,243,830.33
  6. Step 6: Final answer
    x = 478,851,232.08

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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.