Home / 1,678,680,010.20-2,518,020,015.30-1,066,459,978.20

Finding the Fourth Proportional to 1,678,680,010.20, 2,518,020,015.30 and 1,066,459,978.20

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Solution

The fourth proportional to 1,678,680,010.20, 2,518,020,015.30 and 1,066,459,978.20 is: 1,599,689,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,680,010.20 : 2,518,020,015.30 = 1,066,459,978.20 : x
  2. Step 2: Convert to fraction form
    1,678,680,010.20/2,518,020,015.30 = 1,066,459,978.20/x
  3. Step 3: Cross multiply
    1,678,680,010.20x = 2,518,020,015.30 × 1,066,459,978.20
  4. Step 4: Simplify right side
    1,678,680,010.20x = 2,685,367,570,624,002,048
  5. Step 5: Solve for x
    x = 2,685,367,570,624,002,048/1,678,680,010.20
  6. Step 6: Final answer
    x = 1,599,689,967.30

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Double scale
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Similar ratio
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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.