Home / 880,357,064.80-1,320,493,606.80-298,034,197.60

Finding the Fourth Proportional to 880,357,064.80, 1,320,493,606.80 and 298,034,197.60

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Solution

The fourth proportional to 880,357,064.80, 1,320,493,606.80 and 298,034,197.60 is: 447,037,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,357,064.80 : 1,320,493,606.80 = 298,034,197.60 : x
  2. Step 2: Convert to fraction form
    880,357,064.80/1,320,493,606.80 = 298,034,197.60/x
  3. Step 3: Cross multiply
    880,357,064.80x = 1,320,493,606.80 × 298,034,197.60
  4. Step 4: Simplify right side
    880,357,064.80x = 393,552,252,538,567,936
  5. Step 5: Solve for x
    x = 393,552,252,538,567,936/880,357,064.80
  6. Step 6: Final answer
    x = 447,037,081.06

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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.