Home / 1,328,611,856.40-1,992,917,784.60-984,238,088.40

Finding the Fourth Proportional to 1,328,611,856.40, 1,992,917,784.60 and 984,238,088.40

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Solution

The fourth proportional to 1,328,611,856.40, 1,992,917,784.60 and 984,238,088.40 is: 1,476,357,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,611,856.40 : 1,992,917,784.60 = 984,238,088.40 : x
  2. Step 2: Convert to fraction form
    1,328,611,856.40/1,992,917,784.60 = 984,238,088.40/x
  3. Step 3: Cross multiply
    1,328,611,856.40x = 1,992,917,784.60 × 984,238,088.40
  4. Step 4: Simplify right side
    1,328,611,856.40x = 1,961,505,590,653,066,752
  5. Step 5: Solve for x
    x = 1,961,505,590,653,066,752/1,328,611,856.40
  6. Step 6: Final answer
    x = 1,476,357,132.60

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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.