Home / 660,056,755.28-990,085,316.38-245,479,408.83

Finding the Fourth Proportional to 660,056,755.28, 990,085,316.38 and 245,479,408.83

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Solution

The fourth proportional to 660,056,755.28, 990,085,316.38 and 245,479,408.83 is: 368,219,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,056,755.28 : 990,085,316.38 = 245,479,408.83 : x
  2. Step 2: Convert to fraction form
    660,056,755.28/990,085,316.38 = 245,479,408.83/x
  3. Step 3: Cross multiply
    660,056,755.28x = 990,085,316.38 × 245,479,408.83
  4. Step 4: Simplify right side
    660,056,755.28x = 243,045,558,155,612,256
  5. Step 5: Solve for x
    x = 243,045,558,155,612,256/660,056,755.28
  6. Step 6: Final answer
    x = 368,219,181.48

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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.