Home / 1,323,864,097.20-1,985,796,145.80-864,699,073.20

Finding the Fourth Proportional to 1,323,864,097.20, 1,985,796,145.80 and 864,699,073.20

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Solution

The fourth proportional to 1,323,864,097.20, 1,985,796,145.80 and 864,699,073.20 is: 1,297,048,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,864,097.20 : 1,985,796,145.80 = 864,699,073.20 : x
  2. Step 2: Convert to fraction form
    1,323,864,097.20/1,985,796,145.80 = 864,699,073.20/x
  3. Step 3: Cross multiply
    1,323,864,097.20x = 1,985,796,145.80 × 864,699,073.20
  4. Step 4: Simplify right side
    1,323,864,097.20x = 1,717,116,086,837,392,128
  5. Step 5: Solve for x
    x = 1,717,116,086,837,392,128/1,323,864,097.20
  6. Step 6: Final answer
    x = 1,297,048,609.80

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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.