Home / 490,030,340,910.78-676,242,521,883.48-270,294,105,230.10

Finding the Fourth Proportional to 490,030,340,910.78, 676,242,521,883.48 and 270,294,105,230.10

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Solution

The fourth proportional to 490,030,340,910.78, 676,242,521,883.48 and 270,294,105,230.10 is: 373,006,224,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,030,340,910.78 : 676,242,521,883.48 = 270,294,105,230.10 : x
  2. Step 2: Convert to fraction form
    490,030,340,910.78/676,242,521,883.48 = 270,294,105,230.10/x
  3. Step 3: Cross multiply
    490,030,340,910.78x = 676,242,521,883.48 × 270,294,105,230.10
  4. Step 4: Simplify right side
    490,030,340,910.78x = 182,784,367,371,041,544,077,312
  5. Step 5: Solve for x
    x = 182,784,367,371,041,544,077,312/490,030,340,910.78
  6. Step 6: Final answer
    x = 373,006,224,535.64

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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.