Home / 1,259,713,987.80-1,889,570,981.70-996,686,122.20

Finding the Fourth Proportional to 1,259,713,987.80, 1,889,570,981.70 and 996,686,122.20

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Solution

The fourth proportional to 1,259,713,987.80, 1,889,570,981.70 and 996,686,122.20 is: 1,495,029,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,987.80 : 1,889,570,981.70 = 996,686,122.20 : x
  2. Step 2: Convert to fraction form
    1,259,713,987.80/1,889,570,981.70 = 996,686,122.20/x
  3. Step 3: Cross multiply
    1,259,713,987.80x = 1,889,570,981.70 × 996,686,122.20
  4. Step 4: Simplify right side
    1,259,713,987.80x = 1,883,309,174,372,220,416
  5. Step 5: Solve for x
    x = 1,883,309,174,372,220,416/1,259,713,987.80
  6. Step 6: Final answer
    x = 1,495,029,183.30

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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.