Home / 399,906,579.03-551,648,915.42-232,624,008.51

Finding the Fourth Proportional to 399,906,579.03, 551,648,915.42 and 232,624,008.51

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Solution

The fourth proportional to 399,906,579.03, 551,648,915.42 and 232,624,008.51 is: 320,891,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,906,579.03 : 551,648,915.42 = 232,624,008.51 : x
  2. Step 2: Convert to fraction form
    399,906,579.03/551,648,915.42 = 232,624,008.51/x
  3. Step 3: Cross multiply
    399,906,579.03x = 551,648,915.42 × 232,624,008.51
  4. Step 4: Simplify right side
    399,906,579.03x = 128,326,781,994,031,216
  5. Step 5: Solve for x
    x = 128,326,781,994,031,216/399,906,579.03
  6. Step 6: Final answer
    x = 320,891,900.07

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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.