Home / 1,275,220,500.56-1,759,733,136.64-702,985,090.68

Finding the Fourth Proportional to 1,275,220,500.56, 1,759,733,136.64 and 702,985,090.68

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Solution

The fourth proportional to 1,275,220,500.56, 1,759,733,136.64 and 702,985,090.68 is: 970,080,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,220,500.56 : 1,759,733,136.64 = 702,985,090.68 : x
  2. Step 2: Convert to fraction form
    1,275,220,500.56/1,759,733,136.64 = 702,985,090.68/x
  3. Step 3: Cross multiply
    1,275,220,500.56x = 1,759,733,136.64 × 702,985,090.68
  4. Step 4: Simplify right side
    1,275,220,500.56x = 1,237,066,158,633,471,232
  5. Step 5: Solve for x
    x = 1,237,066,158,633,471,232/1,275,220,500.56
  6. Step 6: Final answer
    x = 970,080,200.32

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Half scale
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Double scale
Find fourth proportional to 1,275,220,501.56, 1,759,733,138.02 and 702,985,091.68
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.