Home / 1,215,320,615.74-1,822,980,945.48-295,190,754.22

Finding the Fourth Proportional to 1,215,320,615.74, 1,822,980,945.48 and 295,190,754.22

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Solution

The fourth proportional to 1,215,320,615.74, 1,822,980,945.48 and 295,190,754.22 is: 442,786,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,320,615.74 : 1,822,980,945.48 = 295,190,754.22 : x
  2. Step 2: Convert to fraction form
    1,215,320,615.74/1,822,980,945.48 = 295,190,754.22/x
  3. Step 3: Cross multiply
    1,215,320,615.74x = 1,822,980,945.48 × 295,190,754.22
  4. Step 4: Simplify right side
    1,215,320,615.74x = 538,127,120,224,929,984
  5. Step 5: Solve for x
    x = 538,127,120,224,929,984/1,215,320,615.74
  6. Step 6: Final answer
    x = 442,786,136.64

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Double scale
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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.