Home / 1,070,134,930.80-1,605,202,396.20-906,876,255.60

Finding the Fourth Proportional to 1,070,134,930.80, 1,605,202,396.20 and 906,876,255.60

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Solution

The fourth proportional to 1,070,134,930.80, 1,605,202,396.20 and 906,876,255.60 is: 1,360,314,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,134,930.80 : 1,605,202,396.20 = 906,876,255.60 : x
  2. Step 2: Convert to fraction form
    1,070,134,930.80/1,605,202,396.20 = 906,876,255.60/x
  3. Step 3: Cross multiply
    1,070,134,930.80x = 1,605,202,396.20 × 906,876,255.60
  4. Step 4: Simplify right side
    1,070,134,930.80x = 1,455,719,938,546,003,712
  5. Step 5: Solve for x
    x = 1,455,719,938,546,003,712/1,070,134,930.80
  6. Step 6: Final answer
    x = 1,360,314,383.40

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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.