Home / 418,970,808.72-578,197,654.64-233,331,824.24

Finding the Fourth Proportional to 418,970,808.72, 578,197,654.64 and 233,331,824.24

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Solution

The fourth proportional to 418,970,808.72, 578,197,654.64 and 233,331,824.24 is: 322,007,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,970,808.72 : 578,197,654.64 = 233,331,824.24 : x
  2. Step 2: Convert to fraction form
    418,970,808.72/578,197,654.64 = 233,331,824.24/x
  3. Step 3: Cross multiply
    418,970,808.72x = 578,197,654.64 × 233,331,824.24
  4. Step 4: Simplify right side
    418,970,808.72x = 134,911,913,528,440,704
  5. Step 5: Solve for x
    x = 134,911,913,528,440,704/418,970,808.72
  6. Step 6: Final answer
    x = 322,007,907.76

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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.