Home / 2,679,810,825.81-3,698,240,971.41-1,490,465,796.85

Finding the Fourth Proportional to 2,679,810,825.81, 3,698,240,971.41 and 1,490,465,796.85

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Solution

The fourth proportional to 2,679,810,825.81, 3,698,240,971.41 and 1,490,465,796.85 is: 2,056,899,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,810,825.81 : 3,698,240,971.41 = 1,490,465,796.85 : x
  2. Step 2: Convert to fraction form
    2,679,810,825.81/3,698,240,971.41 = 1,490,465,796.85/x
  3. Step 3: Cross multiply
    2,679,810,825.81x = 3,698,240,971.41 × 1,490,465,796.85
  4. Step 4: Simplify right side
    2,679,810,825.81x = 5,512,101,676,400,361,472
  5. Step 5: Solve for x
    x = 5,512,101,676,400,361,472/2,679,810,825.81
  6. Step 6: Final answer
    x = 2,056,899,548.02

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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.