Home / 1,323,864,098.70-1,985,796,148.05-864,699,074.70

Finding the Fourth Proportional to 1,323,864,098.70, 1,985,796,148.05 and 864,699,074.70

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Solution

The fourth proportional to 1,323,864,098.70, 1,985,796,148.05 and 864,699,074.70 is: 1,297,048,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,864,098.70 : 1,985,796,148.05 = 864,699,074.70 : x
  2. Step 2: Convert to fraction form
    1,323,864,098.70/1,985,796,148.05 = 864,699,074.70/x
  3. Step 3: Cross multiply
    1,323,864,098.70x = 1,985,796,148.05 × 864,699,074.70
  4. Step 4: Simplify right side
    1,323,864,098.70x = 1,717,116,091,761,659,136
  5. Step 5: Solve for x
    x = 1,717,116,091,761,659,136/1,323,864,098.70
  6. Step 6: Final answer
    x = 1,297,048,612.05

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Double scale
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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.