Home / 1,613,302,468.80-2,415,922,624.80-1,290,816,196.80

Finding the Fourth Proportional to 1,613,302,468.80, 2,415,922,624.80 and 1,290,816,196.80

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Solution

The fourth proportional to 1,613,302,468.80, 2,415,922,624.80 and 1,290,816,196.80 is: 1,932,998,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,302,468.80 : 2,415,922,624.80 = 1,290,816,196.80 : x
  2. Step 2: Convert to fraction form
    1,613,302,468.80/2,415,922,624.80 = 1,290,816,196.80/x
  3. Step 3: Cross multiply
    1,613,302,468.80x = 2,415,922,624.80 × 1,290,816,196.80
  4. Step 4: Simplify right side
    1,613,302,468.80x = 3,118,512,054,307,409,408
  5. Step 5: Solve for x
    x = 3,118,512,054,307,409,408/1,613,302,468.80
  6. Step 6: Final answer
    x = 1,932,998,997.16

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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.