Home / 1,525,067,998.40-2,287,601,997.60-419,670,718.40

Finding the Fourth Proportional to 1,525,067,998.40, 2,287,601,997.60 and 419,670,718.40

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Solution

The fourth proportional to 1,525,067,998.40, 2,287,601,997.60 and 419,670,718.40 is: 629,506,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,067,998.40 : 2,287,601,997.60 = 419,670,718.40 : x
  2. Step 2: Convert to fraction form
    1,525,067,998.40/2,287,601,997.60 = 419,670,718.40/x
  3. Step 3: Cross multiply
    1,525,067,998.40x = 2,287,601,997.60 × 419,670,718.40
  4. Step 4: Simplify right side
    1,525,067,998.40x = 960,039,573,746,066,944
  5. Step 5: Solve for x
    x = 960,039,573,746,066,944/1,525,067,998.40
  6. Step 6: Final answer
    x = 629,506,077.60

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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.