Home / 1,338,768,010.80-2,008,152,016.20-930,621,322.80

Finding the Fourth Proportional to 1,338,768,010.80, 2,008,152,016.20 and 930,621,322.80

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Solution

The fourth proportional to 1,338,768,010.80, 2,008,152,016.20 and 930,621,322.80 is: 1,395,931,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,768,010.80 : 2,008,152,016.20 = 930,621,322.80 : x
  2. Step 2: Convert to fraction form
    1,338,768,010.80/2,008,152,016.20 = 930,621,322.80/x
  3. Step 3: Cross multiply
    1,338,768,010.80x = 2,008,152,016.20 × 930,621,322.80
  4. Step 4: Simplify right side
    1,338,768,010.80x = 1,868,829,085,699,531,008
  5. Step 5: Solve for x
    x = 1,868,829,085,699,531,008/1,338,768,010.80
  6. Step 6: Final answer
    x = 1,395,931,984.20

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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.