Home / 540,864,005.40-811,296,008.10-325,873,157.40

Finding the Fourth Proportional to 540,864,005.40, 811,296,008.10 and 325,873,157.40

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Solution

The fourth proportional to 540,864,005.40, 811,296,008.10 and 325,873,157.40 is: 488,809,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,864,005.40 : 811,296,008.10 = 325,873,157.40 : x
  2. Step 2: Convert to fraction form
    540,864,005.40/811,296,008.10 = 325,873,157.40/x
  3. Step 3: Cross multiply
    540,864,005.40x = 811,296,008.10 × 325,873,157.40
  4. Step 4: Simplify right side
    540,864,005.40x = 264,379,591,745,562,976
  5. Step 5: Solve for x
    x = 264,379,591,745,562,976/540,864,005.40
  6. Step 6: Final answer
    x = 488,809,736.10

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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.