Home / 727,646,976,419.70-1,091,470,464,629.50-256,387,037,603.70

Finding the Fourth Proportional to 727,646,976,419.70, 1,091,470,464,629.50 and 256,387,037,603.70

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Solution

The fourth proportional to 727,646,976,419.70, 1,091,470,464,629.50 and 256,387,037,603.70 is: 384,580,556,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,646,976,419.70 : 1,091,470,464,629.50 = 256,387,037,603.70 : x
  2. Step 2: Convert to fraction form
    727,646,976,419.70/1,091,470,464,629.50 = 256,387,037,603.70/x
  3. Step 3: Cross multiply
    727,646,976,419.70x = 1,091,470,464,629.50 × 256,387,037,603.70
  4. Step 4: Simplify right side
    727,646,976,419.70x = 279,838,879,058,291,542,982,656
  5. Step 5: Solve for x
    x = 279,838,879,058,291,542,982,656/727,646,976,419.70
  6. Step 6: Final answer
    x = 384,580,556,405.53

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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.