Home / 1,161,486,010.80-1,742,229,016.20-898,458,145.20

Finding the Fourth Proportional to 1,161,486,010.80, 1,742,229,016.20 and 898,458,145.20

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Solution

The fourth proportional to 1,161,486,010.80, 1,742,229,016.20 and 898,458,145.20 is: 1,347,687,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,486,010.80 : 1,742,229,016.20 = 898,458,145.20 : x
  2. Step 2: Convert to fraction form
    1,161,486,010.80/1,742,229,016.20 = 898,458,145.20/x
  3. Step 3: Cross multiply
    1,161,486,010.80x = 1,742,229,016.20 × 898,458,145.20
  4. Step 4: Simplify right side
    1,161,486,010.80x = 1,565,319,850,408,672,768
  5. Step 5: Solve for x
    x = 1,565,319,850,408,672,768/1,161,486,010.80
  6. Step 6: Final answer
    x = 1,347,687,217.80

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Half scale
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Double scale
Find fourth proportional to 1,161,486,011.80, 1,742,229,017.70 and 898,458,146.20
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.