Home / 1,645,265,052.71-2,270,470,173.54-892,578,228.20

Finding the Fourth Proportional to 1,645,265,052.71, 2,270,470,173.54 and 892,578,228.20

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Solution

The fourth proportional to 1,645,265,052.71, 2,270,470,173.54 and 892,578,228.20 is: 1,231,760,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,265,052.71 : 2,270,470,173.54 = 892,578,228.20 : x
  2. Step 2: Convert to fraction form
    1,645,265,052.71/2,270,470,173.54 = 892,578,228.20/x
  3. Step 3: Cross multiply
    1,645,265,052.71x = 2,270,470,173.54 × 892,578,228.20
  4. Step 4: Simplify right side
    1,645,265,052.71x = 2,026,572,244,679,279,872
  5. Step 5: Solve for x
    x = 2,026,572,244,679,279,872/1,645,265,052.71
  6. Step 6: Final answer
    x = 1,231,760,342.41

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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.