Home / 386,493,005.40-579,739,508.10-233,437,997.40

Finding the Fourth Proportional to 386,493,005.40, 579,739,508.10 and 233,437,997.40

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Solution

The fourth proportional to 386,493,005.40, 579,739,508.10 and 233,437,997.40 is: 350,156,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,493,005.40 : 579,739,508.10 = 233,437,997.40 : x
  2. Step 2: Convert to fraction form
    386,493,005.40/579,739,508.10 = 233,437,997.40/x
  3. Step 3: Cross multiply
    386,493,005.40x = 579,739,508.10 × 233,437,997.40
  4. Step 4: Simplify right side
    386,493,005.40x = 135,333,229,784,525,088
  5. Step 5: Solve for x
    x = 135,333,229,784,525,088/386,493,005.40
  6. Step 6: Final answer
    x = 350,156,996.10

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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.