Home / 727,646,976,419.20-1,091,470,464,628.80-256,387,037,603.20

Finding the Fourth Proportional to 727,646,976,419.20, 1,091,470,464,628.80 and 256,387,037,603.20

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Solution

The fourth proportional to 727,646,976,419.20, 1,091,470,464,628.80 and 256,387,037,603.20 is: 384,580,556,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,646,976,419.20 : 1,091,470,464,628.80 = 256,387,037,603.20 : x
  2. Step 2: Convert to fraction form
    727,646,976,419.20/1,091,470,464,628.80 = 256,387,037,603.20/x
  3. Step 3: Cross multiply
    727,646,976,419.20x = 1,091,470,464,628.80 × 256,387,037,603.20
  4. Step 4: Simplify right side
    727,646,976,419.20x = 279,838,879,057,566,331,043,840
  5. Step 5: Solve for x
    x = 279,838,879,057,566,331,043,840/727,646,976,419.20
  6. Step 6: Final answer
    x = 384,580,556,404.80

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1.5x scale

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.