Home / 1,070,134,845.30-1,605,202,267.95-906,876,170.10

Finding the Fourth Proportional to 1,070,134,845.30, 1,605,202,267.95 and 906,876,170.10

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Solution

The fourth proportional to 1,070,134,845.30, 1,605,202,267.95 and 906,876,170.10 is: 1,360,314,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,134,845.30 : 1,605,202,267.95 = 906,876,170.10 : x
  2. Step 2: Convert to fraction form
    1,070,134,845.30/1,605,202,267.95 = 906,876,170.10/x
  3. Step 3: Cross multiply
    1,070,134,845.30x = 1,605,202,267.95 × 906,876,170.10
  4. Step 4: Simplify right side
    1,070,134,845.30x = 1,455,719,684,994,330,112
  5. Step 5: Solve for x
    x = 1,455,719,684,994,330,112/1,070,134,845.30
  6. Step 6: Final answer
    x = 1,360,314,255.15

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Double scale
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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.