Home / 1,135,295,998.40-1,702,943,997.60-317,406,987.20

Finding the Fourth Proportional to 1,135,295,998.40, 1,702,943,997.60 and 317,406,987.20

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Solution

The fourth proportional to 1,135,295,998.40, 1,702,943,997.60 and 317,406,987.20 is: 476,110,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,295,998.40 : 1,702,943,997.60 = 317,406,987.20 : x
  2. Step 2: Convert to fraction form
    1,135,295,998.40/1,702,943,997.60 = 317,406,987.20/x
  3. Step 3: Cross multiply
    1,135,295,998.40x = 1,702,943,997.60 × 317,406,987.20
  4. Step 4: Simplify right side
    1,135,295,998.40x = 540,526,323,648,539,968
  5. Step 5: Solve for x
    x = 540,526,323,648,539,968/1,135,295,998.40
  6. Step 6: Final answer
    x = 476,110,480.80

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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.