Home / 1,480,642,004.80-2,043,286,160.16-820,634,893.12

Finding the Fourth Proportional to 1,480,642,004.80, 2,043,286,160.16 and 820,634,893.12

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Solution

The fourth proportional to 1,480,642,004.80, 2,043,286,160.16 and 820,634,893.12 is: 1,132,476,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,642,004.80 : 2,043,286,160.16 = 820,634,893.12 : x
  2. Step 2: Convert to fraction form
    1,480,642,004.80/2,043,286,160.16 = 820,634,893.12/x
  3. Step 3: Cross multiply
    1,480,642,004.80x = 2,043,286,160.16 × 820,634,893.12
  4. Step 4: Simplify right side
    1,480,642,004.80x = 1,676,791,919,656,476,928
  5. Step 5: Solve for x
    x = 1,676,791,919,656,476,928/1,480,642,004.80
  6. Step 6: Final answer
    x = 1,132,476,259.77

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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.