Home / 8,981,869,772.62-12,398,796,808.63-5,596,451,699.64

Finding the Fourth Proportional to 8,981,869,772.62, 12,398,796,808.63 and 5,596,451,699.64

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Solution

The fourth proportional to 8,981,869,772.62, 12,398,796,808.63 and 5,596,451,699.64 is: 7,725,481,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981,869,772.62 : 12,398,796,808.63 = 5,596,451,699.64 : x
  2. Step 2: Convert to fraction form
    8,981,869,772.62/12,398,796,808.63 = 5,596,451,699.64/x
  3. Step 3: Cross multiply
    8,981,869,772.62x = 12,398,796,808.63 × 5,596,451,699.64
  4. Step 4: Simplify right side
    8,981,869,772.62x = 69,389,267,473,150,779,392
  5. Step 5: Solve for x
    x = 69,389,267,473,150,779,392/8,981,869,772.62
  6. Step 6: Final answer
    x = 7,725,481,356.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.