Home / 1,488,150,115.04-2,052,601,601.80-979,350,720.76

Finding the Fourth Proportional to 1,488,150,115.04, 2,052,601,601.80 and 979,350,720.76

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Solution

The fourth proportional to 1,488,150,115.04, 2,052,601,601.80 and 979,350,720.76 is: 1,350,815,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,150,115.04 : 2,052,601,601.80 = 979,350,720.76 : x
  2. Step 2: Convert to fraction form
    1,488,150,115.04/2,052,601,601.80 = 979,350,720.76/x
  3. Step 3: Cross multiply
    1,488,150,115.04x = 2,052,601,601.80 × 979,350,720.76
  4. Step 4: Simplify right side
    1,488,150,115.04x = 2,010,216,858,167,742,464
  5. Step 5: Solve for x
    x = 2,010,216,858,167,742,464/1,488,150,115.04
  6. Step 6: Final answer
    x = 1,350,815,914.23

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Half scale
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Double scale
Find fourth proportional to 1,488,150,116.04, 2,052,601,603.18 and 979,350,721.76
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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.