Home / 1,455,774,011.20-2,183,661,016.80-1,310,655,188.80

Finding the Fourth Proportional to 1,455,774,011.20, 2,183,661,016.80 and 1,310,655,188.80

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Solution

The fourth proportional to 1,455,774,011.20, 2,183,661,016.80 and 1,310,655,188.80 is: 1,965,982,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,774,011.20 : 2,183,661,016.80 = 1,310,655,188.80 : x
  2. Step 2: Convert to fraction form
    1,455,774,011.20/2,183,661,016.80 = 1,310,655,188.80/x
  3. Step 3: Cross multiply
    1,455,774,011.20x = 2,183,661,016.80 × 1,310,655,188.80
  4. Step 4: Simplify right side
    1,455,774,011.20x = 2,862,026,642,249,204,224
  5. Step 5: Solve for x
    x = 2,862,026,642,249,204,224/1,455,774,011.20
  6. Step 6: Final answer
    x = 1,965,982,783.20

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Double scale
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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.