Home / 2,535,849,668.35-3,498,018,619.03-1,581,573,665.39

Finding the Fourth Proportional to 2,535,849,668.35, 3,498,018,619.03 and 1,581,573,665.39

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Solution

The fourth proportional to 2,535,849,668.35, 3,498,018,619.03 and 1,581,573,665.39 is: 2,181,664,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535,849,668.35 : 3,498,018,619.03 = 1,581,573,665.39 : x
  2. Step 2: Convert to fraction form
    2,535,849,668.35/3,498,018,619.03 = 1,581,573,665.39/x
  3. Step 3: Cross multiply
    2,535,849,668.35x = 3,498,018,619.03 × 1,581,573,665.39
  4. Step 4: Simplify right side
    2,535,849,668.35x = 5,532,374,128,880,299,008
  5. Step 5: Solve for x
    x = 5,532,374,128,880,299,008/2,535,849,668.35
  6. Step 6: Final answer
    x = 2,181,664,866.78

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Double scale
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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.