Home / 540,864,003.40-811,296,005.10-325,873,155.40

Finding the Fourth Proportional to 540,864,003.40, 811,296,005.10 and 325,873,155.40

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Solution

The fourth proportional to 540,864,003.40, 811,296,005.10 and 325,873,155.40 is: 488,809,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,864,003.40 : 811,296,005.10 = 325,873,155.40 : x
  2. Step 2: Convert to fraction form
    540,864,003.40/811,296,005.10 = 325,873,155.40/x
  3. Step 3: Cross multiply
    540,864,003.40x = 811,296,005.10 × 325,873,155.40
  4. Step 4: Simplify right side
    540,864,003.40x = 264,379,589,145,351,488
  5. Step 5: Solve for x
    x = 264,379,589,145,351,488/540,864,003.40
  6. Step 6: Final answer
    x = 488,809,733.10

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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.