Home / 1,311,383,618.90-1,966,859,964.08-470,852,362.95

Finding the Fourth Proportional to 1,311,383,618.90, 1,966,859,964.08 and 470,852,362.95

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Solution

The fourth proportional to 1,311,383,618.90, 1,966,859,964.08 and 470,852,362.95 is: 706,201,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,383,618.90 : 1,966,859,964.08 = 470,852,362.95 : x
  2. Step 2: Convert to fraction form
    1,311,383,618.90/1,966,859,964.08 = 470,852,362.95/x
  3. Step 3: Cross multiply
    1,311,383,618.90x = 1,966,859,964.08 × 470,852,362.95
  4. Step 4: Simplify right side
    1,311,383,618.90x = 926,100,661,676,465,920
  5. Step 5: Solve for x
    x = 926,100,661,676,465,920/1,311,383,618.90
  6. Step 6: Final answer
    x = 706,201,181.97

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Double scale
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1.5x scale

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.