Home / 491,042,177,117.64-677,630,992,752.84-274,271,535,137.28

Finding the Fourth Proportional to 491,042,177,117.64, 677,630,992,752.84 and 274,271,535,137.28

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Solution

The fourth proportional to 491,042,177,117.64, 677,630,992,752.84 and 274,271,535,137.28 is: 378,490,690,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,042,177,117.64 : 677,630,992,752.84 = 274,271,535,137.28 : x
  2. Step 2: Convert to fraction form
    491,042,177,117.64/677,630,992,752.84 = 274,271,535,137.28/x
  3. Step 3: Cross multiply
    491,042,177,117.64x = 677,630,992,752.84 × 274,271,535,137.28
  4. Step 4: Simplify right side
    491,042,177,117.64x = 185,854,892,638,920,461,254,656
  5. Step 5: Solve for x
    x = 185,854,892,638,920,461,254,656/491,042,177,117.64
  6. Step 6: Final answer
    x = 378,490,690,412.52

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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.