Home / 1,760,256,129.40-2,640,384,194.10-533,485,598.20

Finding the Fourth Proportional to 1,760,256,129.40, 2,640,384,194.10 and 533,485,598.20

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Solution

The fourth proportional to 1,760,256,129.40, 2,640,384,194.10 and 533,485,598.20 is: 800,228,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,256,129.40 : 2,640,384,194.10 = 533,485,598.20 : x
  2. Step 2: Convert to fraction form
    1,760,256,129.40/2,640,384,194.10 = 533,485,598.20/x
  3. Step 3: Cross multiply
    1,760,256,129.40x = 2,640,384,194.10 × 533,485,598.20
  4. Step 4: Simplify right side
    1,760,256,129.40x = 1,408,606,941,267,263,232
  5. Step 5: Solve for x
    x = 1,408,606,941,267,263,232/1,760,256,129.40
  6. Step 6: Final answer
    x = 800,228,397.30

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Half scale
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Double scale
Find fourth proportional to 1,760,256,130.40, 2,640,384,195.60 and 533,485,599.20
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.