Home / 695,368,982.80-1,042,675,560.60-286,466,467.60

Finding the Fourth Proportional to 695,368,982.80, 1,042,675,560.60 and 286,466,467.60

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Solution

The fourth proportional to 695,368,982.80, 1,042,675,560.60 and 286,466,467.60 is: 429,544,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,368,982.80 : 1,042,675,560.60 = 286,466,467.60 : x
  2. Step 2: Convert to fraction form
    695,368,982.80/1,042,675,560.60 = 286,466,467.60/x
  3. Step 3: Cross multiply
    695,368,982.80x = 1,042,675,560.60 × 286,466,467.60
  4. Step 4: Simplify right side
    695,368,982.80x = 298,691,584,697,931,776
  5. Step 5: Solve for x
    x = 298,691,584,697,931,776/695,368,982.80
  6. Step 6: Final answer
    x = 429,544,014.88

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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.